The hottest weather of the summer is experienced during August and September, with temperatures rising to 32°C / 89°F. Climate in island of Hawaii (Big Island) in july In the month of july, the mean temperature in island of Hawaii (Big Island) is 81°F (maximum temperature is 85°F and minimum temperature is 79°F). Temperature varies by elevation. Monthly averages Honolulu Longitude: -157.922, Latitude: 21.3187 Average weather Honolulu, HI - 96819. Another point to note about the above rainfall chart is that the significant increase in rainfall between February and March is partially due to the fact that March has more days than February. Island weather is unpredictable. In the leeward areas, temperatures may reach into the low 90s several days during the year, but temperatures higher than these are unusual. Each place has a total for the amount of precipitation it usually receives in a year. The wettest month is January with an average of 61.2mm of rain. 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. 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. Explore maps and geographical features of The Hawaiian Islands here. In Honolulu, the summers are hot, oppressive, and dry; the winters are comfortable and humid; and it is windy and mostly clear 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. Weather patterns in Hawaii are dominated by the so-called trade winds.  Windward slopes have greater rainfall than leeward lowlands and tall mountains.. Maui is known for its year-round warm and pleasant weather. Lihue, Kauai monthly average rainfall graph created by Go Visit Hawaii with data sourced from Weather.com. The usual clarity of the air in the high mountains is associated with the low moisture content of the air. Learn about Hawaii’s customs and traditions. The tables below give yearly averages for rainfall at cities, towns, resorts, parks and beaches in Hawaii. All numbers are averages from decades of weather records. The trade winds, constant winds blowing from the … Official records for Honolulu have been kept at downtown from February 1877 to September 1949, and at Honolulu Int'l since October 1949. Best time to visit Hawaii, monthly + yearly temperature, rainfall, cloud cover, trade winds and wet side vs. dry side. Select a destination to see the climate guide for all months of the year. It is this active interaction between wind, ocean current, and temperature that creates this uniquely long wake west of Hawaii. Station Data. 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. Weather on Hawaii Island: Climate, Seasons, and Average Monthly Temperature. Monthly: 1981-2010 normals 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. 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. In these locations the sky is cloudy more than 70 percent of the time. Usually winds blow upslope by day and downslope by night. 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. Hawai‘i's high mountains present a substantial obstacle to the trade winds. The humidity averages for each month are listed below for places in Hawaii. Plan your travel to Hawaii, United States of America. Monthly average Waimea weather: temperature, rainfall and cloud cover. Best Time to Visit Maui, Hawaii - Weather Year Round. Major storms occur most frequently in October through March. The hurricane season in the Hawaiian Islands is roughly from June through November, when hurricanes and tropical storms are most probable in the North Pacific. By VI Staff on October 15, 2020 - Updated. using Weatherbase's weather averages and normals. September is the hottest month for Pahoa with an average high temperature of 81.4°, which ranks it as cooler than most places in Hawaii. The wettest month is November with an average of 124mm of rain. Honolulu has dry periods in April, May, June, July, August and September. Hawaii weather today forecast includes satellite pictures, news, tsunami warnings. An annual average of approximately one tornado, either emanating from supercells or by other processes, occurs. If you are interested in the general weather trends for Hawaii you should read “Big Island weather, explained!“. Averages are for Keahole Airport, which is 7 miles from Kailua-Kona. Hana has had as much as 28 in (710 mm) of rain in a single 24-hour period. The island of Hawaii for example hosts 4 (out of 5 in total) climate groups on a surface as small as 4,028 square miles (10,430 km2) according to the Köppen climate types: tropical, arid, temperate and polar. Monthly averages Honolulu Longitude: -157.922, Latitude: 21.3187 Average weather Honolulu, HI - 96819. They are also called "lehua winds" after the ʻōhiʻa lehua (Metrosideros polymorpha), whose red blossoms fill the air when these strong winds blow. As storms cross the Pacific, they tend to lose strength if they bear northward and encounter cooler water. Vog is caused when sulfur dioxide and other gasses from Kilauea's Halemaumau Crater (on the island of Hawaii) mix with moisture in the air and sunlight. The average weather in Hawaii indicates a relative humidity in the morning of 76.0%, and 62.3% in the afternoon and evening. 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. The American state of Hawaii, which covers the Hawaiian Islands, is tropical but it experiences many different climates, depending on altitude and surrounding. Learn about weather on the Big Island. The Big Island has 10 of the 15 types of the world’s climate. Depending on your personal sensitivity, you may want to learn more about vog before traveling to Hawaii Island and visiting Hawaii Volcanoes National Park. Its daytime temperatures along the coasts generally range from only the mid-70s to the mid-80s most of the year. Annual Weather Averages Near Kailua-Kona. These winds only occur every 8 to 12 years. The yearly cloudiness breakdown for Hawaii indicates 78 days of clear skies, 160 … Big Island of Hawaii Weather Patterns. There may be as many as six or seven major storm events in a year. With 2.4in over 15 … Every year or two a tropical storm will affect the weather in some part of the islands. Average Weather in Honolulu Hawaii, United States. 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. Experience a true Hawaiian feast during your visit. The rarity of hurricanes making landfall on the Islands is subject to change as the climate warms. These winds tend to be strongest from 2,000 to 4,000 ft (600 to 1,200 m) above mean sea level. Hilo is the wettest city in the US, receiving more 130 inches of rain per year while Mt. Check your local news weather report. Remember: The climate in Hawaii in july ranges from perfect to good depending on the region and city. Hawaii’s weather is warm all year round with daytime high temperatures ranging from 78F in the “colder” months to 88F in the hotter months. Located 2,365 km above the equator, Hawaii has a tropical climate that enjoys fantastic weather all year round. The record low temperature in Honolulu is 52 °F (11 °C) on January 20, 1969. 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. 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. The island of Hawaii for example hosts 4 (out of 5 in total) climate groups on a surface as small as 4,028 square miles (10,430 km 2) according to the Köppen climate types: tropical, arid, temperate and polar. Station KBA99 Serving Kauai, Oahu, Maui, Molokai, Lanai and part of the Big Island on 162.550 & 162.400 MHz 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. The inversion is present 50 to 70 percent of the time; its height fluctuates from day to day, but it is usually between 5,000 and 7,000 feet (1,500 and 2,100 m). In Pahoa, there are 12 comfortable months with high temperatures in the range of 70-85°. 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. The warmest month is August with an average maximum temperature of 31°C (87°F). Generally speaking, the state of Hawaii is tropical, but the temperature and climate can vary dramatically depending on where you are located on a particular 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. Aerodynamic theory indicates that an island wind wake effect should dissipate within a few hundred kilometers and not be felt in the western Pacific. Annual Weather Averages Near Honolulu. The Pacific High, and with it the trade-wind zone, moves north and south with changing angle of the sun, so that it reaches its northernmost position in the summer. 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. Winter scarcely exists in Hawaii; its two main seasons are characterised by a warm winter and an even warmer summer. The surprise of island weather is that yearly rainfall may be more than 100 inches in one place and less than 20 inches just a few miles away. 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). Explore an essential element of Hawaiian culture. 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. 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. , True hurricanes are rare in Hawai'i, thanks in part to the comparatively cool waters around the islands as well as unfavorable atmospheric conditions, such as enhanced wind shear; only four have affected the islands during 63 years.[when?] Temperatures are lower at higher altitudes. The most pleasant months of the year for Pahoa are May, December and April. More often there are one or two such storms a year; sometimes four or five. On average, Hawaii enjoys nine hours of daily sunshine in November, which is still a far cry from conditions back home. March is penultimate month of rainy season with average amount of precipitation about 1.9” (50 mm). Want to know what the vog conditions are around the island? The most common effects are headaches, watery eyes and breathing difficulties. Monthly averages Honolulu Longitude: -157.922, Latitude: 21.3187 Average weather Honolulu, HI - 96819. Rarely does the temperature rise from above 90 °F (32 °C) or drop below 60 °F (16 °C) at lower elevations. Climate and Weather in Hawaii in May. Hawaii Weather & Climate Located 2,365 km above the equator, Hawaii has a tropical climate that enjoys fantastic weather all year round. These have more modest winds, below 74 mph (119 km/h). There are number of reasons why this has been observed only in Hawai‘i. Visitors should be prepared for rain and wear layers of clothing to ensure their comfort while exploring the park. Kailua Kona is located on the west coast of the Big Island of Hawaii. The highest temperature ever recorded on the islands was 100 °F (38 °C) on April 27, 1931 in Pahala. Many people visit Maui during the winter not just because of the weather on Maui, but to escape the cold weather back home. 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 Hawaiian Islands receive most of their precipitation from October to April. Though the trade winds are fairly constant, their relatively uniform air flow is distorted and disrupted by mountains, hills, and valleys. Rainfall in a well-developed Kona storm is widespread and more prolonged than in the usual cold-front storm. From October through April, the heart of the trade winds moves south of Hawaii; thus there average wind speeds are lower across the islands. Breathtaking natural wonders, landmarks and more. In leeward areas well screened from the trade winds (such as the west coast of Maui), skies are clear 30 to 60 percent of the time. The Hawaiian Islands’ trade winds mean there is almost always a cooling breeze here. The islands are an incredible collection of diverse micro-environments, each with its own unique weather plants and animals. Whenever potential travelers to Hawaii are surveyed, their first questions are often the same: "How's the weather in Hawaii?" Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time. Hawaii’s proximity to the equator means that its weather is tropically warm and consistent throughout the year. Hawaii climate guide. In the United States, only Florida has warmer surf temperatures.. Plan your big day, or get away afterward. Due to Hawaii being at the northern edge of the tropics (mostly above 20 latitude), there are only weak wet and dry seasons unlike many tropical climates. These winds are forced upslope by the mountain heights, where their moisture condenses into clouds that produce rain. On Maui, the cloudiest zones are at and just below the summits of the mountains, and at elevations of 2,000 to 4,000 ft (600 to 1,200 m) on the windward sides of Haleakala. 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. Annual weather conditions in Hawaii vary neigh. Most locations also have information on the number of days with wet weather. Over the course of the year, the temperature typically varies from 64°F to 83°F and is rarely below 60°F or above 86°F.. Based on the tourism score, the best time of year to visit Hilo for warm-weather activities is from late to mid October. Based on weather reports collected during 1985–2015. Keep in mind that it's still plenty warm in many areas. 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. Local weather at Kīlauea's summit (4000' elevation) varies daily and may be rainy and chilly any time of the year. Winter in Maui begins mid-October and runs through to April. Most of the rain falls in the mountains and valleys on the windward (northeastern) side of the islands. The “Heart of Hawaii” is home to Honolulu and much more. It is also important for understanding natural climate variations, like El Niño. Weather in The Hawaiian Islands is very consistent, with only minor changes in temperature throughout the year. Averages are for Honolulu International Airport, which is 4 miles from Honolulu. The wettest season is Winter with 29% of yearly precipitation and 20% occurs in Autumn, which is the driest season. The wind wake drives an eastward "counter current" that brings warm water 5,000 miles (8,000 km) from the Asian coast. September is on average the WARMEST month. Average monthly Rainfall, Sunshine, Temperatures. It is this weather phenomenon that creates Hawaii’s rich, green, tropical environment. The best thing about Hawaii's weather is that it is very localized. Questions? 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. The inversion tends to suppress the vertical movement of air and so restricts cloud development to the zone just below the inversion. Honolulu, USA: Annual Weather Averages The most daily sunshine hours in Honolulu are 11 in July. Below these heights, the air is moist; above, it is dry. 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. 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. 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). Step off the plane and feel the warm embrace of Kauai with average yearly temperatures ranging between 84 and 69 degrees. 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. Honolulu's coldest month is February when the average temperature overnight is 65.4°F. Rainfall & Trade Winds The driest month in Honolulu is June with 0.43 inches of precipitation, and with 2.85 inches December is the wettest month. The annual precipitation average is 60.40 inches. Mauna Kea Observatory, Hawaii - Travel and vacation weather averages, current conditions and forecasts. 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). The weather here is in general pleasant, sunny, and dry. Due to cooler waters around Hawaii, the risk of tropical cyclones is low for Hawai'i. Honolulu, USA: Annual Weather Averages The most daily sunshine hours in Honolulu are 11 in July. Hawaii has a spectacular, diverse climate and enjoys nearly perfect weather. Third, the Hawaiian Islands are large in horizontal (east-west) scale, extending over four degrees in longitude. The usual run of trade wind weather yields many light showers in the lowlands, whereas torrential rains are associated with a sudden surge in the trade winds or with a major storm. This warm water drives further changes in wind, allowing the island effect to extend far into the western Pacific. They issue from canyons at the base of the western Maui mountains, where steeper canyon slopes meet the more gentle piedmont slope below. However, the wind wake caused by the Hawaiian Islands extends 1,860 miles (3,000 km), roughly 10 times longer than any other wake. This brings trade winds during the period of May through September, when they are prevalent 80 to 95 percent of the time. 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. An entire winter may pass without a single well-developed Kona storm. Climate - Hawaii Average weather, temperature, rainfall, when to go, what to pack In Hawaii, the climate is tropical, with a hot season from June to October (called kau in the Hawaiian language) and a relatively cool season (hooilo) from December to March. 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. Hawaii's Mountains & Volcanoes However, as the largest island in the archipelago, the climate can vary dramatically depending on the area. Kona rains last from several hours to several days. The counter current had been observed by oceanographers near the Hawaiian Islands years before the long wake was discovered, but they did not know what caused it.. The Hawaiian Islands Weather These storms tend to originate off the coast of Mexico (particularly the Baja California peninsula) and track west or northwest towards the islands. The chart below shows the distribution of precipitation annually on the islands; click the chart to e… Monthly: 1981-2010 normals History: 2007-2019 Average Maui Weather by the Month December, January, February. During the winter, snowfall is common at the summits of Mauna Kea and Mauna Loa on Hawaii Island. Based on weather reports collected during 1985–2015. This means that even though the weather can include more rain, the chances of extreme climate conditions are almost over. Get the latest coronavirus (COVID-19) updates for the USA with current travel advice, statistics and online resources.. Below are average maximum temperatures at popular destinations in Hawaii for next month - December. Kona storms are features of the winter season. The Lahaina winds are also downslope winds, but are somewhat different. At the summit of the volcano, temperatures may be 12 to 15 degrees cooler than at sealevel. Kona lies on the leeward side of the Big Island. Monthly: 1981-2010 normals History: 2007-2019 Weather in Pahoa, Hawaii. After all, Hawaii's weather is lovely almost every day of the year. Not all hazy conditions are caused by vog. Thankfully, the islands are cooled by trade winds that provide a refreshing breeze even in the scorching temperatures. Weather Highlights. 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.
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