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This includes the days when cloud covers up to 30% of the sky during daylight hours. I really love seeing the sun. The rain makes Hawaiis delicious produce grow and the flowers bloom. I hope and expect youll see more sun that what the forecast is showing. The average day in Poipu during June has 13.4 hours of daylight, with sunrise at 5:54 AM and sunset at 7:21 PM. For the reasons we describe in the article, we would and have avoided north shore in the winter. Temperature C (F), Max. Required fields are marked *. Id ideally like to go in aug-sep due to my work schedule but is june-july usually much more favourable rain-wise? I am still deciding which is the best time to go. Poipu Beach Park: Busy but beautiful - See 4,895 traveler reviews, 1,995 candid photos, and great deals for Poipu, HI, at Tripadvisor. Grand Hyatt Kauai Resort & Spa: Grand Hyatt Kauai - Read 9,673 reviews, view 5,668 photos, and find great deals for Grand Hyatt Kauai Resort & Spa at Tripadvisor In regards to rain, the reason Hawaii is so lush and beautiful is because it rains! September is the warmest month of the year. Of the 150+ days weve been there, I dont think weve had more than 5 days with a rain shower. It is the lowest average temperature of the whole year. The month with the longest days is June (Average daylight: 13h and 27min). - See 4,895 traveller reviews, 1,995 candid photos, and great deals for Poipu, HI, at Tripadvisor. The rainiest season is Winter when it rains 27% of the time and the driest is Summer with only a 23% chance of a rainy day. We spent a couple of nights in a Poipu condo without air conditioning one April. very humid and quite uncomfortable for most unless you are on a beach. A few tips food trucks here serve amazing cuisine and easy on the wallet. On average, March is the wettest month with 5.7 inch (144 mm) of precipitation. Grand Hyatt Kauai Resort & Spa: Prioritizes profit over the safety of its guests - See 9,672 traveller reviews, 5,668 candid photos, and great deals for Grand Hyatt Kauai Resort & Spa at Tripadvisor. We cant tell you if its a good idea to postpone or not. The closest water of Poipu is Pacific Ocean. December has the shortest days with an average of 10.8 hours of daylight per day. If you have further concerns about rain, read our article will it rain on my Hawaii vacation? For example, for the hourly temperature at 10am, we've looked at the temperature at 10am on every day in June (e.g., June 1, June 2, etc. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. Hardly anyone on this beach. Annual precipitation in Poipu is typically 25.0 inches per year ( the lowest in the US) and snow covers the ground 0 days per year or 0.0% of the year ( the lowest in the US). 3 Baths. Watch out for relections from water that may increase ultraviolet exposure. Summer starts here at the end of June and ends in September. The longest day starts at 5:54am and ends at 7:25pm and lasts for 13 hours 27 minutes. Unprotected skin risks burning in less than 10 minutes. The month with the lowest relative humidity is January (75%). In Poipu in March, there's a 7% chance of rain on an average day. Hurricane season in Kauai, which runs from June through November, is usually quiet, however 2015 has been an unusually busy season for tropical storms. Poipu Beach Park: Busy but beautiful - See 4,896 traveler reviews, 1,995 candid photos, and great deals for Poipu, HI, at Tripadvisor. We have vacationed in Kauai 6 times in September. The average temperature in Poipu in March for a typical day ranges from a high of 75F (24C) to a low of 72F (22C). //-->. Poipu, USA: Annual Weather Averages The wettest month is March with an average of 60mm of rain .. Average High/Low Temperature: Poipu High C Low C High F Low F Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 0C 5C 10C 15C 20C 25C 30C 35C Average Rainfall: Poipu The least windy month in Poipu Beach is May when the average maximum windspeed is 30kmh and the average wind speed is 19kmh. Take all precautions because unprotected skin and eyes can burn in minutes. The wettest month (with the highest rainfall) is March (2.52"). NEW CONSTRUCTION. Rain makes the pretty waterfalls flow. Before we look at Kauai rainfall details, we want to highlight one very interesting pattern about rain in Hawaii more rain falls overnight than during daytime hours. Waialua Scan the QR code or enter your mobile number. Most of the rainfall is typically night time and early morning ( particularly along the south shore). In more common terms of how much that is, some would describe it as heavy, pouring rain. Wainiha 3 Baths. Start-up Hub; Incubation centre; Funding your idea; Maker space; Trading Lab. From these two maps, take notice that the popular resort area of Poipu is the driest region, followed by the east side towns of Kapaa and Lihue where many hotels and vacation rentals are. google_ad_slot = "5672289713"; Is a week too long on either island? This graph shows the average amount of daylight in Poipu in June based on historical data. US Dept of Commerce National Oceanic and Atmospheric Administration National Weather Service Hastings, NE 6365 North Osborne Drive West Hastings, NE 68901-9163 I currently use an iPhone 6. Their suggestions are to go into the upcountry Kula area, After a six-night visit to Kauai, the memories of the islands beauty still resonate. Hi. This graph shows the average amount of daylight in Poipu in March based on historical data. Rainfall in is fairly evenly distributed throughout the year. We were told the North shore water is calmer in summer and Poipu area is calmer in winter. The annual average precipitation at Poipu is 9.99 Inches. Scan the QR code or enter your mobile number. Hope that helps! With 2.3 inches of rain or less, the driest months range from April through September. Both islands would be great to visit in late October and early November. Check them out here: Build, organize, and map your itinerary to. Let us know how it goes. The driest month is July, with 53 mm | 2.1 inch of rain. The average temperatures vary during the year by 3.6 C | 6.4 F. Is it a good idea to postpone the vacation plan in Kauai? The most humid month in Poipu Beach is August with a dew point (an indicator of humidity) of 22 which is Poipu Beach Park: Sea turtles basking on the beach! Before we dive into the details, bear in mind that weather history is a fairly descent predictor of future weather. Dwellics instantly analyzes thousands of relevant data points and your selected preferences like lifestyle, weather, community and more to find the perfect place for you to live, Analytics team at Dwellics grouped locations into 5 ranges for each metric: Lowest, Low, Moderate, High, Highest. Throughout July, 1.77" (45mm) of precipitation is accumulated. Highs and lows in Poipu in Jan How much does it rain in January In Poipuin January, there's a9% chance ofrainon an average day. If I remember correctly, our stays without AC were in the month of May. A lot of rain (rainy season) falls in the months: March, November and December. Most precipitation falls in December, with an average of 90 mm | 3.5 inch. However, it has been unusually rainy this year with flash flooding. Look at our suggested itineraries for both islands and see which one appeals to you the most: Big Island itinerary: https://www.govisithawaii.com/2017/06/14/one-week-vacation-itinerary-travel-planner-for-the-big-island-of-hawaii/ Kauai itinerary: https://www.govisithawaii.com/2017/06/01/one-week-kauai-vacation-itinerary-travel-planner/. The day with the longest amount of daylight in Poipu is June 19th with 13.5 hours while December 15th has the shortest amount of daylight with only 10.8 hours. The lush landscape of the north shore is attributed to the rainfall it receives. Weve been to Kauai 10+ times. The month with the most cloud cover is March (Cloud cover 47). Chance of rain or snow on an average Poipu day by month, The average amount of time that the sky is clear or sunny (partly cloudy or less) in, Monthly clear skies percent of time in Poipu, Average hours of daylight in Poipu by month, Average relative humidity in Poipu by month, Save all the best places to visit with Wanderlog, Download the travel planning app everyone's been raving about. Well text you a link to download the app. Advice for driving and parking in Waikiki Beach. For all data based on historical data, we've averaged the data from the past 11 years (2010-2020). Annual precipitation in Koloa-Poipu is typically 40.6 inches per year (moderateAnalytics team at Dwellics grouped locations into 5 ranges for each metric: Lowest, Low, Moderate, High, Highest in the US) and snow covers the ground 0 days per year or 0.0% of the year (the lowestAnalytics team at Dwellics grouped locations into 5 ranges for each metric: Lowest, Low, Moderate, High, Highest in the US). Should we postpone? Sunrise and sunset times vary by region in the United States. I am planning vacations in Kauai from 10th December to 18th December. Rainfall In Poipu, Hawaii, during October, the rain falls for 18.7 days and regularly aggregates up to 2.05" (52mm) of precipitation. There are the months of summer: June, July, August, September. The month with the least rain in Kailua-Kona is June, with an average rainfall of 1.1 inches. There are many important factors that may affect your personal climate preferences including average temperature and humidity, annual rainfall and snow, number of cloudy days, wind speeds, and more. Due to the drier climate, the landscape is not as green but youre only 15 minutes away from lush rainforests, so Id rather have the sunshine. Data: 1991 - 2021 Min. Occasionally, Kona winds from the southwest make the atmosphere feel hot and sticky. The average day in Poipu during December has 10.8 hours of daylight, with sunrise at 7:07 AM and sunset at 5:57 PM. Overall the surf is much calmer in summer than it is in winter, so snorkeling still may be possible. These graphs show the probability of it raining/snowing in June and the amount of rainfall. For comparison, the hottest month in Poipu, September, has days with highs of 81F (27C) and lows of 78F (26C). Average Monthly Rainfall in Kailua-Kona Link Download Compare History: 2023 2022 2021 2020 2019 2018 2017 2016 2015 (Weather station: Lihue Lihue Airport, USA). The high seasonal norm is 77F. Get inspired for your trip to Poipu with our curated itineraries that are jam-packed with popular attractions everyday! The months with the highest relative humidity are June, July, August, October and December (77%). Do you plan Hawaii vacation activities before your trip or just book them when you get there? At night you would most likely require a fan. The wettest month of the year is December with an average rainfall of 5.00 Inches. We leave tomorrow for a week in Kauai and all I see forecasted is rain. By contrast, the lowest average water temperature 23.80C | 74.84F around February 17. We visited Maui a few years ago and loved it! Chance of rainfall chart with likely precipitation and statistics in live rain gauge WillyWeather 1,163 . Annual Average 2010-Present 28.3in; Monthly Average 2010-Present 3in; Daily Average 2010-Present 0.1in; Wettest Day 28 March, 2020 5.4in; Get an account to remove ads. Thats highly unlikely! Humidity June through August, October and December, with an average relative humidity of 77%, are the most humid months in Poipu. The hottest month in Poipu Beach is September when the average maximum temperature is 29, average temperature is 27 and average minimum temperature is 23. Even in Arizona where I live, it rains sometimes. The rainfall here is around 797 mm | 31.4 inch per year. google_ad_width = 336; Humidity The months with the highest humidity are June through August, October and December, with an average relative humidity of 77%. The wettest month in Poipu is February where a typical day has a 11% chance of precipitation and gets 0.13 inches (3.3 mm) of precipitation, while the dryest month in Poipu is June where a typical day has a 4% chance of precipitation and gets 0.11 inches (2.7 mm) of precipitation. There are not a lot of vacation rentals in Waimea or Kekaha. Weve noticed it is busier this year with more tourists and not sure why. The skies are usually overcast and a little rain falls most days but is short lived. Summer starts here at the end of June and ends in September. The weather has always been consistently sunny with occasional rain. When is the sunrise / sunset in August in Poipu? We dont have an app, but the entire site is mobile friendly. The wettest month in Poipu is February where a typical day has a 11% chance of precipitation and gets 0.08 inches (2.0 mm) of precipitation, while the dryest month in Poipu is June where a typical day has a 4% chance of precipitation and gets 0.09 inches (2.2 mm) of precipitation. Theres no way for us to know if the possibility of thunderstorms will materialize and if so, how long or intense they may be. The wettest month of the year is December with an average rainfall of 5.00 Inches. We did not smooth the data, so for example, our daily temperature line will have some randomness due to the fact that weather is random in the first place. To get a better understanding, contact a Kauai snorkel equipment supplier or snorkel tour company who have more knowledge than we do about the seasonal ocean patterns. Get inspired for your trip to Poipu with our curated itineraries that are jam-packed with popular attractions everyday! In more common terms of how much that is, some would describe it as heavy, pouring rain. Weve visited Kauai in the months of February, April, May and October. And on the average day it rains or snows, we get 0.84 in ( 21.4 mm) of precipitation. Normal Climate Normal Temperatures (LIHUE AP 1020.1 Weather station, 9.99 miles from Poipu) Normal Precipitation Chance of rain or snow on an average Poipu day by month, The average amount of time that the sky is clear or sunny (partly cloudy or less) in, Monthly clear skies percent of time in Poipu, Average hours of daylight in Poipu by month, Average relative humidity in Poipu by month, Save all the best places to visit with Wanderlog, Download the travel planning app everyone's been raving about. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. See more advice on where to stay on Kauai: https://www.govisithawaii.com/kauai-where-to-stay/. We also love walking the bike path along the ocean down the length of Kapaa. Why do you prefer December? The coolest month in Poipu Beach is January when the average maximum temperature is 26, average temperature is 22 and average minimum temperature is 19. 14 Days. Room amenities were top notch and the grounds were beautiful. Well text you a link to download the app. The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi). Even in the wetter, winter months, ts been very rare that weve encountered rain. The coldest month (with the lowest average low temperature) is February (68.5F). Get the monthly weather forecast for Po'ipu, HI, including daily high/low, historical averages, to help you plan ahead. And on the average day it rains or snows, we get 0.89 in ( 22.5 mm) of precipitation. a wet time google_ad_width = 468; On the North Shore, Princeville is a popular destination with vacation accommodations even though the region gets more than twice the amount of rain as the east and south resort areas. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. You can swim year round in Hawaii. Does that mean that if you choose to stay in Princeville youll constantly experience rain? Thats generally the case in Hawaii. And on the average day it rains or snows, we get 0.89 in (22.5 mm) of precipitation. Sheila Beal is the founder and editor of Go Visit Hawaii. Can we expect more sunny days than what it is showing? Thanks for adding your experience, Sharon. In fact, we tend to go to Hawaii quite often in the winter because we love the humpback whale season in Hawaii. The driest part of the island is Waimea & Kekaha. For more details, see our Hawaii ocean temperatures article. google_ad_height = 280; Some areas are drier than others. What is the climate like in Poipu, Hawaii? The coldest month, March has days with highs of 75F (24C) and lows of 72F (22C). We dont have any further insights other than what weve already included in the article. Calendar. The months with the lowest UV index are January, February, March, April, May, June, July, August, October, November and December (UV index 6). Go Visit Hawaii has been providing award winning Hawaii vacation travel advice since 2006. How many islands should you visit during your Hawaii vacation. Heres some of whats going on: On Oahu, The Beach House Restaurant is located on the beach, thus the name in the sunny Poipu area of Kauai. Overall, we try and go with the flow so we simply adjust our plans accordingly. Raghu. Poipu Beach Rainfall Forecast United States HI Kauai Poipu Beach Today 26 Feb 40% Mon 27 Feb 40% Tue 28 Feb 30% Wed 1 Mar 35% Thu 2 Mar 30% Fri 3 Mar 35% Sat 4 Mar 35% 1-Day 3-Day 5-Day Rain Amount Rain Probability Sun 26 Feb Mon 27 Feb Tue 28 Feb Wed 1 Mar Thu 2 Mar Fri 3 Mar Sat 4 Mar 75% 50% 25% 0.3in 0.2in 0.1in Graph Plots Open in Graphs We were also staying in one of the driest regions Poipu. and took the arithmetic mean. The driest month (with the least rainfall) is April (1.3"). Thankfully the prevailing tradewinds from the northeast, keep you comfortable despite the humidity. Station Data. Both Princeville and Poipu reach their top temperatures in September, with an average of 86.1 degrees in Poipu and 84 degrees in Princeville. The average total rainfall in Poipu Beach in January is 14.4cm and on average there are 19.3 rainy days in January making it a wet time to visit the beach. Were now thinking seven days on Kauai in October. Weve never had a full day that was a complete rainout. Daylight In Poipu, Hawaii, the average length of the day in January is 10h and 59min. And on the average day it rains or snows, we get 1.28 in ( 32.6 mm) of precipitation. GRAPH. Kauai isn't called the Garden Isle for nothing. Poipu, HI climate is warm during summer when temperatures tend to be in the 70's and warm during winter when temperatures tend to be in the 70's. Some would describe it as pleasantly warm and breezy. Hanalei Ft. 1696 Pee Rd, Koloa, HI 96756. We've collected the weather data for Poipu during all other months of the year too: Weather data for Poipu was collected from the MERRA-2 project from NASA, which used a climate model combined with historical data from weather stations around the world to estimate what the conditions were like for every point on the Earth. Even though winter months tend to be a little wetter, we wouldnt hesitate to book a Hawaii vacation in the winter. We are planning our 40th anniversary and it will be our first visit to the islands. Our favorite place for a sunset picnic is Polihale Beach and State Park. The following graph shows the average monthly high and low temperatures based on weather data collected at the Kauai airport in Lihue. /* WE-top 468x60 */ My bet is rent a convertible and enjoy all parts of the island. The other piece of weather that a visitor needs to consider is rainfall. The month with the highest atmospheric pressure is April (30.07"Hg). /* ID-we-bot */ Unnacceptable. We stay in Kapaa area for its central location and low key vibe. The weather forecast literally changes daily & rain is almost always predicted at some level on any given day. You cant go wrong with either island. At the end of your vacation, please let us know what sort of weather you encountered. 7 Days. The following chart shows the average monthly rainfall levels based on data collected at Kauais main airport in Lihue. In more common terms of how much that is, some would describe it as not rainy at all. Halehomaha Last, but not least, after a shower, one of Hawaiis famous rainbows can be seen. Lihue is a town thats very close to sea level and is therefore fairly representative for all the Kauai beach resorts. With the exception of the north-central U.S., the entire country trended warmer, including Kansas. For comparison, the hottest month in Poipu, September, has days with highs of 81F (27C) and lows of 78F (26C). Homes similar to 4914 Lawai Rd are listed between $707K to $10M at an average of $1,325 per square foot. We arent relax-on-the-beach people, but we do like to walk, hike, and mountain bike. Princeville is located on the north shore of Kauai, approximately 45 60 minutes north of the, Princeville is a resort-style community where you can find a mix of residential homes, vacation rentals, and smaller hotels. It may be helpful to understand the yearly precipitation by imagining 5 straight days of moderate rain per year. We are looking into visiting Kauai February 2019. Ko`a Kea Resort On Poipu Beach: Great property, when can we go back!? My first real vacation in five years and I couldnt be more depressed about this weather forecast. google_ad_client = "pub-0361038878511174"; THX for any help. The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi). In Poipu in June, there's a 4 % chance of rain on an average day. We vowed then to always stay in accommodations with air conditioning. Automatically get personalized recommendations on where to move. The area around Poipu has a dry tropical climate. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Waimea is also the closest jumping off spot to the Waimea Canyon and lots of great hiking and viewpoints above the Napali Coast. poipu annual rainfalljoey bosa bench pressjoey bosa bench press We cover Hawaii travel tips, news, and reviews for planning your perfect Hawaiian vacation. I know it is hot in aug-sep. The lowest water temperature of 23.80C | 74.84F will be reached in February. And on the average day it rains or snows, we get 0.57 in ( 14.4 mm) of precipitation. So, keep that in mind as you are considering this data. The month with the highest water temperature is September with 26.90C | 80.42F. Sunset Beach I hate rain. In more common terms of how much that is, some would describe it as heavy rain. Rainfall in is fairly evenly distributed throughout the year. The humidity in Koloa-Poipu, Hawaii is below 60% for approximately 9.6 days or 2.6% of the year. The months with the lowest average high temperature are February and March (73.2F). Rain showers are usually brief. What is the climate like in Koloa-Poipu, Hawaii? From 1994 to 2006, the course played host to the annual PGA Grand Slam of Golf, one of the most prestigious tournaments in the golf world. You'll also find that most of your shopping is done in wonderful mom-and-pop shops. Even though weve been to Kauai several times and I know what to expect, the island, Subscribe to our Hawaii travel newsletter. The month with the most rain in Kailua-Kona is March, with an average rainfall of 4.0 inches. That is true of any destination, not just Kauai. Annual precipitation in Poipu is typically 25.0 inches per year (the lowestAnalytics team at Dwellics grouped locations into 5 ranges for each metric: Lowest, Low, Moderate, High, Highest in the US) and snow covers the ground 0 days per year or 0.0% of the year (the lowestAnalytics team at Dwellics grouped locations into 5 ranges for each metric: Lowest, Low, Moderate, High, Highest in the US). There is a rainy season ( November - March.) Wear light, breathable clothing to help you feel more comfortable in the Kauai humidity. Ironically, that rainy day was in one of the driest months May. 4 Beds. 38 of 38 properties are available in Poipu Sort by: Best Value 2022 1. The setting is absolutely perfect for a romantic sunset dinner., ABC Channel 7 out of Los Angeles has someinteresting alternative Maui vacation destination suggestions. The month with the highest average low temperature is September (75.9F). In February, the average temperature is 21.8 C | 71.3 F. In more common terms of how much that is, some would describe it as heavy rain. $380,000. - See 2 893 traveller reviews, 1,874 candid photos, and great deals for Ko`a Kea Resort On Poipu Beach at Tripadvisor. You can connect with Sheila Beal on Twitter, Go Visit Hawaii on Facebook, or Instagram. The average temperature in Poipu in December for a typical day ranges from a high of 77F (25C) to a low of 74F (23C). Breaking down the Princeville vs. Poipu debate: If youre heading to Kauai during the summer months, the north shore wins for best snorkeling. Between 2014 and 2021, monthly rainfall peaked in December 2015 at approximately 217 millimeters. Check them out here: Build, organize, and map your itinerary to. We war room 5 star restaurant in our swimming suits with a pair of decent shorts pulled up over the bottoms. It should be noted an improvement from the previous month since in march it receives an average of 5.9in of rainfall over 7 days. Hi, our Kauai vacation starts 9/25-9/30 . And it nudges up to the Napali coast, so great views of that too. I am concerned about how much rain/overcast weather there will be. Most occurs at night. In the center of Princeville is the award-winning. It may be helpful to understand the yearly precipitation by imagining 8 straight days of moderate rain per year. See more current weather Annual Weather Averages Near Poipu Beach Averages are for Lihue Lihue Airport, which is 11 miles from Poipu Beach. Most recently, we have preferred to come in December. Remember that most rain falls overnight and rain showers are usually short. We are visiting kauai at the moment. I was wondering if there is an iPhone app for govisithawaii.com? Ive been too both. See our post on two different vacation experiences on the same Hawaiian Island. In Poipu, Hawaii, the average low-temperature is 71.8F (22.1C). For all data based on historical data, we've averaged the data from the past 11 years (2010-2020). And on the average day it rains or snows, we get 1.28 in (32.6 mm) of precipitation. The months with the lowest atmospheric pressure are September and October (29.98"Hg). If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. The day with the longest amount of daylight in Poipu is June 19th with 13.5 hours while December 15th has the shortest amount of daylight with only 10.8 hours. We and our partners use cookies to Store and/or access information on a device. The warmest month (with the highest average high temperature) is September (79.7F). We have been going to Kauai for 10+years and have visited in all seasons. We go in July August and the weather is always perfect. Sun hours. Overcast. What is the month with the lowest UV index in Poipu? When is the worst time to visit Hawaii on vacation? Poipu, Hawaii - Climate and weather forecast by month. Weve been catching some of the recent Kauai weather news with this unusual wet spell and hoping for clearing skies for all. This site and your information has really helped. We love to snorkel. Anecdotally, we went to Kauai in September. He had narrowed down his choices, 2013 UPDATES: July 4th Fireworks Oahu 2013 The islands of Hawaii have some fantastic fourth of July events planned for 2008. In Poipu, Hawaii, the shortest day starts at 7:19am and ends at 5:53pm and lasts for 10 hours 47 minutes. These graphs show the probability of it raining/snowing in March and the amount of rainfall. To keep more comfortable in humid weather, we recommend that you stay in a place that has ample air conditioning. For example, for the hourly temperature at 10am, we've looked at the temperature at 10am on every day in March (e.g., March 1, March 2, etc. Sydney has received an unprecedented amount of rain so far this year, with 2022 currently the wettest year on record for year-to-April rainfall totals . Poipu in June Average temperature: 24 (76) Average high temperature: 26 (78) Average low temperature: 23 (74) Average humidity: 77% Average sunny days: 5 days Average rainfall: 43mm (2") over 18 days 5 days of pure sunshine 18 days of showers or rain in 2010, 2011, etc.) Ft. 5425 Pau A Laka St #831, Koloa, HI 96756. It still is a paaradise to visit. But constant overcast weather is just as depressing to me as rain. Annual Rainfall for Poipu Beach The wettest month in Poipu Beach is March with 22cm of rain and June has the most days of rain with 24.7 days with some rain, a very wet time to visit the beach. Temperature C (F), Precipitation / Rainfall mm (in), Humidity, Rainy days. Live Trading Lab; Financial Literacy 2,009 Sq. Grand Hyatt Kauai Resort & Spa: Great return to Kauai - See 9,674 traveller reviews, 5,668 candid photos, and great deals for Grand Hyatt Kauai Resort & Spa at Tripadvisor. Annual average precipitation change from the old 1981-2010 normals to the new 1991-2020 normals. Poipu Beach Park: Sea turtles basking on the beach! Most people will agree that 70% is pretty high humidity. The month with the most sunshine is June (Average sunshine: 9h and 42min).