The weather and climate of Hawaii Island, also referred to as the Big island, varies depending on the area. Annual weather conditions in Hawaii vary neigh. Experience a true Hawaiian feast during your visit. December is the most wet month. Average temperatures in Hawaii in May: 21°C to 29°C (70°F to 84°F) Average sea temperatures in Hawaii in May: 25°C (77°F) During the winter on many north shore beaches, Pacific storms drive ocean swells towards the islands, creating The Hawaiian Islands’ legendary big waves. It is not advisable to exercise or participate in strenuous outdoor activities when the vog is very heavy. The Hawaiian Islands’ near-shore water temperatures remain comfortable throughout the year. This split causes a zone of weak winds, called a "wind wake", on the leeward side of the islands.[13]. Step off the plane and feel the warm embrace of Kauai with average yearly temperatures ranging between 84 and 69 degrees. An annual average of approximately one tornado, either emanating from supercells or by other processes, occurs. The annual BestPlaces Comfort Index for Kilauea is 8.5 (10=best), which means it is less comfortable than most places in Hawaii. On Maui, the summit of Haleakalā occasionally experiences snowfall, but snow had never been observed below 7,500 feet (2,300 m) before February 2019, when snow was observed at 6,200 feet (1,900 m) and fell at higher elevations in amounts large enough to force Haleakalā National Park to close for several days. [3], Temperatures of 90 °F (32 °C) and above are uncommon (with the exception of dry, leeward areas). Average Rainfall for Honolulu The … The long wake testifies to the strong interaction between the atmosphere and ocean, which has strong implications for global climate research. Thankfully, the islands are cooled by trade winds that provide a refreshing breeze even in the scorching temperatures. Each place has a total for the amount of precipitation it usually receives in a year. These have more modest winds, below 74 mph (119 km/h). Because tropical storms resemble Kona storms, and because early records do not distinguish clearly between them, it has been difficult to estimate the average frequency of tropical storms. The yearly cloudiness breakdown for Hawaii indicates 78 days of clear skies, 160 … Temperature In these tropical islands, even when it rains average temperatures usually reac… Winter scarcely exists in Hawaii; its two main seasons are characterised by a warm winter and an even warmer summer. Hawaii has a spectacular, diverse climate and enjoys nearly perfect weather. The driest month in Honolulu is June with 0.43 inches of precipitation, and with 2.85 inches December is the wettest month. It is this weather phenomenon that creates Hawaii’s rich, green, tropical environment. Rainfall in a well-developed Kona storm is widespread and more prolonged than in the usual cold-front storm. Averages are for Keahole Airport, which is 7 miles from Kailua-Kona. The surface waters of the open ocean around Hawaii range from 75 °F (24 °C) between late February and early April, to a maximum of 82 °F (28 °C) in late September or early October. Keep in mind that Kauai is small enough to drive around in a single day, it only takes about an hour to reach almost any part of the island, and daylight hours don’t change much throughout the year. Average monthly Rainfall, Sunshine, Temperatures. On windward coasts, many brief showers are common, not one of which is heavy enough to produce more than 0.01 in (0.25 mm) of rain. In Honolulu, the summers are hot, oppressive, and dry; the winters are comfortable and humid; and it is windy and mostly clear year round. Temperatures at sea level generally range from highs of 84–88 °F (29–31 °C) during the summer months to 79–83 °F (26–28 °C) during the winter months. Most of the time, the answer is pretty easy. The climate in Hilo is warm, muggy, windy, and partly cloudy. It rains somewhere in Hawaii almost every day of the year. Climate Historical Summaries Weather", National Oceanic and Atmospheric Administration, "WMO climate normals for Hilo/WSO AP 87, HI 1961−1990", "WMO Climate Normals for HONOLULU, OAHU, HI 1961–1990", https://en.wikipedia.org/w/index.php?title=Climate_of_Hawaii&oldid=988515216, Articles with unsourced statements from February 2018, All articles with vague or ambiguous time, Vague or ambiguous time from February 2018, Creative Commons Attribution-ShareAlike License, Source: NOAA (relative humidity and sun 1961−1990), Source: NOAA (relative humidity and sun 1961–1990), This page was last edited on 13 November 2020, at 17:25. Summer High: the July high is around 84 degrees Winter Low: the January low is 62 Rain: averages 75 inches of rain a year Snow: averages 0 inches of snow a year. Hawaii's Mountains & Volcanoes Ask your hotel staff or a lifeguard about ocean currents or look for warning flags and posted beach conditions. Continue reading about: Weather on the Big Island, Explained. Weather in Pahoa, Hawaii. Averages are for Honolulu International Airport, which is 4 miles from Honolulu. Hilo is the wettest city in the US, receiving more 130 inches of rain per year while Mt. Best Time to Visit Maui, Hawaii - Weather Year Round. These winds tend to be strongest from 2,000 to 4,000 ft (600 to 1,200 m) above mean sea level. September is on average the WARMEST month. Share Pin In February, Maui gets the coolest temperatures of the year and a healthy precipitation average of 2 inches (48 mm).The average low temperature and average high temperature measure in at 63°F (17°C) and 81°F (27°C) respectively. Vog is the local term for "volcanic fog" and it describes the hazy air pollution that occasionally hangs over the islands. Big Island of Hawaii Weather Patterns. Weather Highlights. Learn about weather on the Big Island. Most locations also have information on the number of days with wet weather. If you are interested in the general weather trends for Hawaii you should read “Big Island weather, explained!“. Hawaii governor delays plan to reopen tourism again. Use this monthly calendar to view weather averages, such as average temperature 14 days ahead of today, as well as the historical weather patterns over the past year. The Big Island has 10 of the 15 types of the world’s climate. Local weather at Kīlauea's summit (4000' elevation) varies daily and may be rainy and chilly any time of the year. The annual precipitation average is 60.40 inches. The Hawaiian Islands’ near-shore water temperatures remain comfortable throughout the year. Best time to visit Hawaii, monthly + yearly temperature, rainfall, cloud cover, trade winds and wet side vs. dry side. Disclaimer … Wave conditions are often very localized, so if the waves are too big on your beach, you can usually find calmer water at a more sheltered beach. Strong currents can make any beach unsafe at any time during the year, particularly in the winter. Hawaii’s famous Hula dancers will compete at the Merrie Monarch Festival in the biggest hula competition of the year, which usually takes places a week after Easter. Despite being small islands within the vast Pacific Ocean, the Hawaiian Islands have a surprising effect on ocean currents and circulation patterns over much of the Pacific. Nontornadic waterspouts are more common than tornadoes produced by supercells, which produce stronger, longer lasting tornadoes, especially with respect to inland areas, and also produce the largest hail, such as the 2012 Hawaii hailstorm. The best month to swim in the sea is in August when the average sea temperature is 27°C (81°F). Want to know what the vog conditions are around the island? Third, the Hawaiian Islands are large in horizontal (east-west) scale, extending over four degrees in longitude. Island wind patterns are very complex. These towering clouds form along the mountains where the incoming trade wind air converges as it moves up a valley and is forced up and over the mountains to heights of several thousand feet. Another hurricane, Iwa, caused significant damage in 1982 but its center passed nearby and did not directly make landfall. Not all hazy conditions are caused by vog. Thus daily range is wider than seasonal. Most of the rain falls in the mountains and valleys on the windward (northeastern) side of the islands. Weather Highlights. We recognize the proper use of the Hawaiian language including the ‘okina [‘], a consonant, and the kahakō [ō] or macron (e.g., in place names of Hawai‘i such as Lāna‘i). Weather patterns in Hawaii are dominated by the so-called trade winds. Rarely does the temperature rise from above 90 °F (32 °C) or drop below 60 °F (16 °C) at lower elevations. There are really only two seasons in Hawaii: summer (kau) from May to October and winter (hooilo) from November to April. Based on weather reports collected during 1985–2015. Hana has had as much as 28 in (710 mm) of rain in a single 24-hour period. Kauai and the Big Island's northern areas get more annual rainfall than the rest of Hawaii. Coastal areas are drier, especially the south and west side or leeward sides.[2]. Hawaii has a spectacular, diverse climate and enjoys nearly perfect weather. Rainfall & Trade Winds The spirit of islands infuses arts and crafts on Hawaii. Wave action varies dramatically between island coasts and seasons. Questions? The island of Molokai remains true to its island roots. Major storms occur most frequently in October through March. followed by questions about the specific months they intend to visit. Tropical storms are more frequent. Honolulu, USA: Annual Weather Averages The most daily sunshine hours in Honolulu are 11 in July. From October through April, the heart of the trade winds moves south of Hawaii; thus there average wind speeds are lower across the islands. Typically, the trade winds continue across the Pacific — unless something gets in their way, like an island. Weather in Hawaii Frequently Asked Questions Event Summaries Turn Around, Don't Drown StormReady TsunamiReady Our Mission Our Office Our Products HI RSS Feeds. Honolulu has dry periods in April, May, June, July, August and September. The storms may be associated with the passage of a cold front, the leading edge of a mass of relatively cool air that is moving from west to east or from northwest to southeast. Its daytime temperatures along the coasts generally range from only the mid-70s to the mid-80s most of the year. The months of January and February feature the coldest climate of the year, with January daytime temperatures of 27°C / 80°F, which can drop to 18°C / 64°F. Hawaii's fourth largest island is called the “Garden Island.”. With 2.4in over 15 … Windward areas tend to be cloudier during the summer, when the trade winds and associated clouds are more prevalent, while leeward areas, which are less affected by cloudy conditions associated with trade wind cloudiness, tend to be cloudier during the winter, when storm fronts pass through more frequently. Winter scarcely exists in Hawaii; its two main seasons are characterised by a warm winter and an even warmer summer. Plan your big day, or get away afterward. Three strong and destructive hurricanes are known to have made landfall on the islands, an unnamed storm in 1871,[9] Hurricane Dot in 1959, and Hurricane Iniki in 1992. Annual mean rainfall ranges from 7.4 in (188 mm) on the summit of Mauna Kea[6] to 404.4 in (10,271 mm) in Big Bog. Find the best time to go to Kihei (Hawaii). And though the 'wet season' has arrived, there is still plenty of sun. First, the ocean reacts slowly to fast-changing winds; winds must be steady to exert force on the ocean, such as the trade winds. Please try again later. The youngest island is the largest and full of adventure. Weather in Hawaii Frequently Asked Questions Event Summaries Turn Around, Don't Drown StormReady TsunamiReady Our Mission Our Office Our Products HI RSS Feeds. They are also called "lehua winds" after the ʻōhiʻa lehua (Metrosideros polymorpha), whose red blossoms fill the air when these strong winds blow. Weather in The Hawaiian Islands is very consistent, with only minor changes in temperature throughout the year. Weather in The Hawaiian Islands is very consistent, with only minor changes in temperature throughout the year. Hawai‘i's high mountains present a substantial obstacle to the trade winds. Kona lies on the leeward side of the Big Island. Courtesy of Scotty Robson - Fotolia.com. Mean monthly maxima and minima (i.e. A true-color satellite view of Hawaii shows that most of the flora on the islands grow on the north-east sides, which face the trade winds. Hawaii’s weather can be quite confusing for those used to mainland weather patterns. More often there are one or two such storms a year; sometimes four or five. The average water temperature is 74° F (23.3° C), with a summer high of 80° F (26.7° C). Hawaii’s proximity to the equator means that its weather is tropically warm and consistent throughout the year. The hottest weather of the summer is experienced during August and September, with temperatures rising to 32°C / 89°F. However, in this period, temperatures are a bit lower, nights can be cool, rainfall is more abundant on the northern slopes and is fairly frequent also on the southern slopes, and even some short storms (i.e. Hawaii climate guide. Kalihiwai, Hawaii - Travel and vacation weather averages, current conditions and forecasts. Temperature varies by elevation. The Hawaiian Islands receive most of their precipitation from October to April. Hawaii is the only state in the U.S. that has never recorded a sub-zero temperature. Official records for Honolulu have been kept at downtown from February 1877 to September 1949, and at Honolulu Int'l since October 1949. Depending on your personal sensitivity, you may want to learn more about vog before traveling to Hawaii Island and visiting Hawaii Volcanoes National Park. November marks the start of the wet season in Hawaii, but it also signifies the end of the hurricane season. As storms cross the Pacific, they tend to lose strength if they bear northward and encounter cooler water. Explore an essential element of Hawaiian culture. The coldest month is January with an average maximum temperature of 26°C (78°F). As a result of the shielding effect of volcanic mountains and the differences in weather at various elevations, you can find tropical rainforests, cool alpine regions, arid deserts and sunny beaches—all within the span of just a few miles Link to TripSavvy Homepage. Quaint towns, farms and beautiful beaches await on the “Valley Isle.”. The wettest month is January with an average of 61.2mm of rain. Hawaii Island, also known as the Big Island, is known for warm temperatures throughout the year. Unlike cold fronts and Kona storms, hurricanes and tropical storms are most likely to occur during the last half of the year, from July through December. Also note that because of these high elevations, there is less protection from the sun's powerful UV rays, so come prepared with sunblock and sunglasses. Each place has a total for the amount of precipitation it usually receives in a year. Pleasant Climate Year-Round With its warm and gentle trade winds, mild temperatures and sunny skies, Hawaii is an ideal vacation destination throughout the year. Mauna Kea Observatory, Hawaii - Travel and vacation weather averages, current conditions and forecasts. The wettest months are from November to March, but winter rains do not generally disrupt vacation plans, since the weather is very localized. March is penultimate month of rainy season with average amount of precipitation about 1.9” (50 mm). Step off the plane and feel the warm embrace of Kauai with average yearly temperatures ranging between 84 and 69 degrees. The climate enjoyable in this city in the month of july. It is this active interaction between wind, ocean current, and temperature that creates this uniquely long wake west of Hawaii. The inversion tends to suppress the vertical movement of air and so restricts cloud development to the zone just below the inversion. Water & Surf Conditions The texture change around the calmer south-west of the islands is the result of the shelter provided from the islands. The tables below give yearly averages for rainfall at cities, towns, resorts, parks and beaches in Hawaii. On trade wind days when the inversion is well defined, the clouds develop below these heights with only an occasional cloud top breaking through the inversion. Such storms bring heavy rains and can be accompanied by strong local winds. Please heed all weather warnings before hiking, swimming, sailing or participating in any outdoor activities. VOG (Volcanic Fog) The American state of Hawaii, which covers the Hawaiian Islands, is tropical but it experiences many different climates, depending on altitude and surrounding. In theory, you can go to Hawaii all year round, and therefore even in winter, ie from December to March. It is also important for understanding natural climate variations, like El Niño. Under extreme conditions—when the volcano is active and the winds carry the fumes north to the rest of the island chain—vog can be hazardous to plants, animals and humans. Throughout the year, Hawaiian weather patterns are affected primarily by high-pressure zones in the north Pacific that pump cool, moist trade winds down onto the islands’ northeastern slopes. Places with weather information on Hawaii's Big Island include Kainaliu, Kailua Kona and Captain Cook in South Kona; Naalehu at the island's south end; and Puukohola Heiau in the Kohala region at the north end. Hawaii Gov. Local weather at Kīlauea's summit (4000' elevation) varies daily and may be rainy and chilly any time of the year. Temperatures in these higher locations drop 3.5° F for every 1,000 feet above sea level that you climb, so dress appropriately with pants and several layers of clothing. 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). For more information, see, annual average of approximately one tornado, "Snow closes Haleakala National Park and creates social media buzz", https://www.weatherbase.com/weather/weather-summary.php3?s=28119&cityname=Honolulu,+Hawaii,+United+States+of+America, "Western U.S. Honolulu's coldest month is February when the average temperature overnight is 65.4°F. Monthly averages Honolulu Longitude: -157.922, Latitude: 21.3187 Average weather Honolulu, HI - 96819. The break (a large-scale feature of the Pacific High) is caused by a temperature inversion embedded in the moving trade wind air. Hawaii climate guide. Or if it's hazy along the mountains in the morning, chances are you're looking at moisture in the air from the updrafts along the ridges. The Morning relative humidity percentages are for 7 am and Afternoon levels are for 1 pm local standard time. An entire winter may pass without a single well-developed Kona storm. Hawaii’s proximity to the equator means that its weather is tropically warm and consistent throughout the year. The American state of Hawaii, which covers the Hawaiian Islands, is tropical but it experiences many different climates, depending on altitude and surrounding. Climate and average weather for Kihei (Hawaii), United States of America displayed in graphs. Want to get the lay of the land? In the Northern Hemisphere, trade winds blow from northeast to southwest, from North and South America toward Asia, between the equator and 30 degrees north latitude. Due to cooler waters around Hawaii, the risk of tropical cyclones is low for Hawai'i. Summer High: the July high is around 81 degrees Winter Low: the January low is 63 Rain: averages 101 inches of rain a year Snow: averages 0 inches of snow a year. These effects can be especially pronounced in people with respiratory conditions and young children. You may be driving along the island and be in a rain storm one minute and in bright sun the next. Hawaii differs from many tropical locations with pronounced wet and dry seasons, in that the wet season coincides with the winter months (rather than the summer months more typical of other places in the tropics). The Lahaina winds are also downslope winds, but are somewhat different. These winds only occur every 8 to 12 years. However, as the largest island in the archipelago, the climate can vary dramatically depending on the area. Average Maui Weather by the Month December, January, February. Luxury and rugged nature blend on this enticing island. US Dept of Commerce National Oceanic and Atmospheric Administration National Weather Service Honolulu, HI 2525 Correa Rd Suite 250 Honolulu, HI 96822 (808) 973-5286 Comments? Aerodynamic theory indicates that an island wind wake effect should dissipate within a few hundred kilometers and not be felt in the western Pacific. Hawaii Weather & Climate Located 2,365 km above the equator, Hawaii has a tropical climate that enjoys fantastic weather all year round. The annual BestPlaces Comfort Index for the Pahoa area is 8.8 (10=best), which means it is more comfortable than most places in Hawaii. When counting also the Köppen sub-categories the island of Hawaii hosts 10 (out of 14 in total) climate zones. Hawaii, USA: Annual Weather Averages August is the hottest month in Hawaii with an average temperature of 27°C (81°F) and the coldest is January at 23°C (73°F) with the most daily sunshine hours at 11 in July. Average Weather in Hilo Hawaii, United States. They are extremely violent, with wind speeds of 80–100 mph (130–160 km/h) or more. At an elevation of 10,023 feet, the summit of Haleakala can be as much as 30° F cooler than resort areas on the coast. Many visitors are drawn to the natural beauty found in higher elevations such as Kokee on Kauai, Haleakala on Maui or Kilauea on the island of Hawaii. The Hawaiian Islands’ trade winds mean there is almost always a cooling breeze here. using Weatherbase's weather averages and normals. In the Pliocene era, where CO2 levels were comparable to those we see today, the waters around Hawai'i were much warmer, resulting in frequent hurricane strikes in computer simulations.[10]. Under trade wind conditions, there is very often a pronounced moisture discontinuity between 4,000 and 8,000 feet (1,200 and 2,400 m). There may be as many as six or seven major storm events in a year. [1] The islands receive most rainfall from the trade winds on their north and east flanks (the windward side) as a result of orographic precipitation. Over the course of the year, the temperature typically varies from 68°F to 87°F and is rarely below 63°F or above 89°F. Greetings from your Aloha Weatherman: I know that you would love to be here in the islands visiting on vacation, and yet there you are, somewhere else in the world. Find out about the different regions, seasons and temperature trends with this guide. The “Heart of Hawaii” is home to Honolulu and much more. Kona rains last from several hours to several days. In july the weather in Hawaii is perfect. The highest temperature ever recorded on the islands was 100 °F (38 °C) on April 27, 1931 in Pahala. Average temperatures in Waimea range between 61 and 68°F (16 and 20°c). The weather here is in general pleasant, sunny, and dry. Monthly average Waimea weather: temperature, rainfall and cloud cover. Explore maps and geographical features of The Hawaiian Islands here. Hawaii Weather Today Brought to you by Maui Weather Today. The wettest season is Winter with 29% of yearly precipitation and 20% occurs in Autumn, which is the driest season. Station Data. Go City: up to 55% off Oahu attractions. If you're looking to avoid rain altogether on your Hawaiian vacation, then the Big Island is a good choice. Monthly averages Honolulu Longitude: -157.922, Latitude: 21.3187 Average weather Honolulu, HI - 96819. Kona storm rains are usually most intense in an arc, extending from south to east of the storm and well in advance of its center. These winds are called the trade winds because their stable and predictable patterns allowed intercontinental travel (trade) as early as in the 16th century. In January, tradewinds only blow half as much as they do in the summer. Summer waters are typically gentle on …
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