Station Data. Hawaii is made up of six islands (Oahu, Kauai, Maui, Hawaii, Molokai and Lanai) located in the Pacific Ocean. ocsurf74. It is easy to see why Waikiki quickly became the tourist mecca during the early years of Hawaii’s transition into a major vacation spot. December is the most wet month. "Leeward Coast." ". Some of the drier areas to stay are south Maui, the southern and southwestern regions of Oahu, and Kohala Coast on Big Island. Monthly averages Honolulu Longitude: -157.922, Latitude: 21.3187 Average weather Honolulu, HI - 96819. Days of Hot Weather in Honolulu Over half the days from December to March in Honolulu have temperatures reaching at least 80 degrees Fahrenheit. High 79F. 9 years ago. January in Hawaii: Weather and Event Guide, Where to Go Surfing on Your Hawaiian Vacation, The Weather and Climate in Phuket, Thailand, Weather in Seattle: What to Expect on Your Trip, Average Monthly Temperatures and Rainfall in Naples, Florida, Weather in Oahu: Climate, Seasons, and Average Monthly Temperature, Tripsavvy uses cookies to provide you with a great user experience. Hawaii Weather in March. Winter months tend to be rainier, while hurricane season goes from June through November (but big storms are rare here). The weather on Oahu doesn’t change much throughout the year, and the island really only has two seasons (winter and summer). April - an excellent month, but avoid holidays, when applicable; May - the best overall month for visitors, in our opinion; September - excellent month, great for those seeking fewer visitors 3. The May weather guide for Honolulu, Oahu, Hawaii shows long term weather averages processed from data supplied by CRU ... Oahu in May and the average monthly rainfall is 16mm. (Remember that the state of Hawaii banned sunscreens with ingredients that are harmful to reefs, so there’s a chance yours might be confiscated at the airport if it isn’t reef safe.) Depending on your tolerance to heat, this may make it the best or worst time to visit the island. Be prepared with the most accurate 10-day forecast for Honolulu, HI with highs, lows, chance of precipitation from The Weather Channel and Weather.com Katherine Gallagher is a Hawaii-based travel writer in love with Oahu's lush tropical rain forests and pristine beaches. Hilo is the wettest city in the US, receiving more 130 inches of rain per year while Mt. warning in february the weather varied depending on the city and regions of the country. In August, the warmest month, the average day time temperature rises to 88.9°F. In general, for the best overall weather, lowest statewide rates, and fewest visitors on-island, the best time to visit Hawaii is:. Throughout the year there is only about an hour discrepancy in sunrise and sunset times on the island of Oahu. While it's always going to be close to impossible to predict the weather months or even weeks ahead of your vacation, it’s helpful to look at Hawaiian weather trends to get an idea of what to expect before you travel to Hawaii. Honolulu has a population of 390,000 and is the only real big city on any of the Hawaiian islands. Winds ENE at 15 to 25 mph. Averages are for Honolulu International Airport, which is 4 miles from Honolulu. Most nights then cool down to below 70, but no less than 50 degrees. There are really only two seasons in Hawaii: summer (kau) from May to October and winter (hooilo) from November to April.The average daytime summer temperature at sea level is 85° F (29.4° C), while the average daytime winter temperature is 78° (25.6° C). Average Rainfall for Honolulu The driest month in Honolulu is June with 0.43 inches of precipitation, and … One of the things the makes Oahu so special is its trade winds. Climate data for Hawaii has been gathered every day since January 2009. Select a destination to see the climate guide for all months of the year. During this time the sun is almost always directly overhead on Oahu and the weather is warm and dry. 9 years ago. Which City Is the Worst for Fall Allergies This Year? The coldest month is January with an average maximum temperature of 26°C (78°F). However, even the rainy season can be relatively dry when many parts of Hawaii … Depending on your tolerance to heat, this may make it the best or worst time to visit the island. December 2020. The resort area in Waikiki is famous for gentle waves, making it the perfect spot to learn how to surf, paddleboard, or kayak. Last 2 weeks of weather The following is a snapshot of Oahu -Hawaii weather. 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