To characterize how pleasant the weather is in Hilo throughout the year, we compute two travel scores. Click on each chart for more information. In December, in Hilo, the average sea temperature is 76.8°F (24.9°C). High & … Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory. We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader. The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions, excluding hours in which the mean wind speed is less than. However, and especially for those visitors from the US mainland, temperatures here are always pleasant. Better yet, where April sees evening temperatures dipping into the 60s, May brings warm evenings in the low 70s. The smallest chance of a wet day is 23% on August 30. Hawaii Weather in July: High temperatures hold steady in July, with a little more rain than in June. Average Weather in Hilo Hawaii, United States. The area is less temperate than some — in the 35th percentile for pleasant weather — compared to tourist destinations worldwide. The highest temperature ever recorded on the islands was 100 °F (38 °C) on April 27, 1931 in Pahala. Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. The shaded overlays indicate night and civil twilight. The average rainfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages. The month with the highest relative humidity is November (80.3%). In May, the average rises to a very comfortable 80 to 85 F range. Water temperature may drop by about 10-15 degrees during the night. (Complete List of Average Temperatures) Use the near real-time water temperature data with discretion, because they may contain errors. The black line is the percentage chance that a given day is within the growing season. The estimated value at Hilo is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Hilo and a given station. Although the weather is often humid by U.S. mainland standards, temperatures are conditioned by the northeast trade winds, which prevail most of the year and make living on the islands delightfully comfortable. Hilo Weather Forecasts. The day of the year with the coolest water is February 27, with an average temperature of 75°F. Hilo / ˈ h iː l oʊ / (Hawaiian pronunciation: ) is a census-designated place (CDP) and the largest city in Hawaii County, Hawaii, United States, which encompasses the Island of Hawaiʻi.The population was 43,263 according to the 2010 census.. Hilo is the county seat of the County of Hawaiʻi and is in the District of South Hilo. The month with the longest days is June (Average daylight: 13.3h). You will also start to see a rise in temperature. The Olympic swimming competition requires a water temperature between 77°F (25°C) and … On August 8, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 78% of the time, and overcast or mostly cloudy 22% of the time. Fifty-two degrees is a ridiculously high temperature to … Extremely Cold Days # of days where the low temperature falls below 0° F Hilo Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 0 … Daytime maximum temperatures average around a cold 0°C (32°F), whilst at night 0°C (32°F) is normal. Lower dew points feel drier and higher dew points feel more humid. Monthly averages Hilo Longitude: -155.048, Latitude: 19.7203 Average weather Hilo, HI - 96720. Hawaii in spring is ideal because you miss the rainy season, which takes place in the winter. Explore our interactive viewer and data graphs! The earliest sunset is at 5:39 PM on November 25, and the latest sunset is 1 hour, 24 minutes later at 7:03 PM on July 5. The climate in Hilo is warm, muggy, windy, and partly cloudy. The percentage of days in which various types of precipitation are observed, excluding trace quantities: rain alone, snow alone, and mixed (both rain and snow fell in the same day). There are 2 weather stations near enough to contribute to our estimation of the temperature and dew point in Hilo. Based on this score, the best time of year to visit Hilo for general outdoor tourist activities is from early November to mid October, with a peak score in the last week of July. Daytime maximum temperatures average around a cold 0°C (32°F), whilst at night 0°C (32°F) is normal. Record temperatures have also been set in Honolulu, which hit a high of 92, and Hilo, which hit a high of 88, twice this month. A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 76.8°F (24.9°C) water. The figure below presents a compact representation of key lunar data for 2021. The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. Weather in The Hawaiian Islands is very consistent, with only minor changes in temperature throughout the year. Monthly: 1981-2010 normals History: 2007-2019 Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the Hilo area. Hawaii, United States coastal sea temperatures. On October 29, the cloudiest day of the year, the sky is overcast or mostly cloudy 46% of the time, and clear, mostly clear, or partly cloudy 54% of the time. Weather in The Hawaiian Islands is very consistent, with only minor changes in temperature throughout the year. The horizontal axis is the day of the year, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day. The figure below shows you a compact characterization of the entire year of hourly average temperatures. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands. Weather & Climate. Find out how often it rains, snows, and the gets cold or hot in Hilo. * The information on this page is based on the global volcano database, the U.S. earthquake database of 1638-1985, and the U.S. Tornado and Weather Extremes database of 1950-2010. In Hilo, the average percentage of the sky covered by clouds experiences significant seasonal variation over the course of the year. The climate at Hilo International Airport is warm, muggy, windy, and partly cloudy. The month with the lowest UV index is December (UV index 7). The chance of wet days in Hilo varies throughout the year. The warmest month (with the highest average high temperature) is September (28.5°C). But Honolulu, Lihue (on Kauai), Kahului (Maui) and Hilo (Hawaii/Big Island) all saw record highs, suggesting that the Aloha State did experience its highest summer temperatures to … Africa Asia Aus & Pacific Europe Latin America N America S America Mid East. Hawaii - Hawaii - Climate: Hawaii lies just below the Tropic of Cancer, and its mild tropical climate is considered by many people to be the world’s ideal. Based on our historical data over a period of ten years, the warmest water in this day in Hilo was recorded in 2020 and was 25.8°C/78.4°F, and the coldest was recorded in 2012 at 23.9°C/75°F. Clicking on the hyperlinked "Recent Temperatures" will display station information for the location. By STEPHANIE SALMONS Hawaii Tribune-Herald | Tuesday, January 26, 2021, 12:05 a.m. Share this story. Ocean temperatures are incredibly comfortable beginning this time of year. To show variation within the months and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day of the year. Based on this score, the best time of year to visit Hilo for hot-weather activities is from late June to late September, with a peak score in the first week of August. Station Data. 24.8°C / 76.6°F Current weather. Within 50 miles also contains extreme variations in elevation (13,816 feet). Months with the highest number of rainy days are July and August (26.8 days). (Average highs 26ºC, average rainfall 52mm, Honolulu average water temperature 25ºC.) You can read up on the facts yourself here and here. September is the hottest month for the 96720 zip code with an average high temperature of 81.7°, which ranks it as cooler than most places in Hawaii. September is the month with the warmest water temperature at 79.5°F / 26.4°C. The brightest day of the year is July 4, with an average of 7.4 kWh. The month with the highest average low temperature is September (20.9°C). Local monthly weather patterns in Kona, Hilo, Waimea, the Kohala coast and Volcano Village (all open in new window) The influence of Hawaii’s location on its weather. The windier part of the year lasts for 2.0 months, from March 8 to May 9, with average wind speeds of more than 11.4 miles per hour. Hawaii in spring is ideal because you miss the rainy season, which takes place in the winter. In the Hilo metro area, there are 0.0 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Hawaii. Temperatures of 90 °F (32 °C) and above are uncommon (with the exception of dry, leeward areas). Hilo is slightly cooler than other parts of Hawaii, with … Water temperature in Hilo today is 25.3°C/77.5°F. Hawaii, USA - Average Annual Weather - Holiday Weather 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. Hilo Temperature Yesterday. The muggier period of the year lasts for 8.3 months, from April 14 to December 24, during which time the comfort level is muggy, oppressive, or miserable at least 42% of the time. January is in the winter in Hilo and is typically the coldest month of the year. Monthly averages Hilo Longitude: -155.048, Latitude: 19.7203 Average weather Hilo, HI - 96720. The wettest month (with the highest rainfall) is March (270mm). The average water temperature experiences some seasonal variation over the course of the year. Clicking on the hyperlinked "Recent Temperatures" will display station information for the location. Hilo, Hawaii Climate - 96720 Weather, Average Rainfall, and Temperatures Toggle navigation WorldClimate.com With this ideal beach This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid. Monthly average Hilo weather: temperature, rainfall and cloud cover Average temperatures in Hilo are between 70°F and 75°F (21 and 24 °c). Temperature, humidity, rainfall, snowfall, daylight, sunshine, UV index, and sea temperature. The time of year with warmer water lasts for 3.2 months, from July 31 to November 5, with an average temperature above 79°F. Maps are © Esri, with data from National Geographic, Esri, DeLorme, NAVTEQ, UNEP-WCMC, USGS, NASA, ESA, METI, NRCAN, GEBCO, NOAA, and iPC. Based on our historical data over a period of ten years, the warmest water in this day in Hilo was recorded in 2019 and was 27.3°C/81.1°F, and the coldest was recorded in 2011 at 25.1°C/77.2°F. February is in the winter in Hilo and is typically the 2nd coldest month of the year. Sea water temperature in Hilo is expected to drop to 25.8°C/78.4°F in the next 10 days. Local monthly weather patterns in Kona, Hilo, Waimea, the Kohala coast and Volcano Village (all open in new window) The influence of Hawaii’s location on its weather. The earliest sunrise is at 5:40 AM on June 5, and the latest sunrise is 1 hour, 17 minutes later at 6:57 AM on January 17. In downtown Honolulu, the warmest month is August with an average temperature of about 82° F. The coldest month is February, around 73° F – the range between the coldest and warmest months averages only nine degrees. Palomas, Puerto Rico (5,733 miles away) is the far-away foreign place with temperatures most similar to Hilo (view comparison). For the purposes of this report, the geographical coordinates of Hilo are 19.730 deg latitude, -155.091 deg longitude, and 98 ft elevation. The tourism score favors clear, rainless days with perceived temperatures between 65°F and 80°F. range. The most pleasant months of the year for Hilo are December, April and March. Waves on all coasts in April range from flat to medium in size, and the water’s starting to warm up. 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 early November to mid October. At Hilo and Lihue, the range is five and All other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis . Weather ☀ ⛅ Hawaii ☀ ⛅ April ☀ ⛅ Information on temperature, sunshine hours, water temperature & rainfall in April for Hawaii. Get the monthly weather forecast for Hilo, HI, including daily high/low, historical averages, to help you plan ahead. 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). The climate in Hilo during January can be summarized as excessively hot and arid. August is the warmest month, and January the coolest. The drier season lasts 2.2 months, from July 21 to September 28. Non-linked temperatures in the monthly columns are average water temperatures. The solar day over the course of the year 2021. People within that … A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. Our tourism temperature score is 0 for perceived temperatures below 50°F, rising linearly to 9 for 65°F, to 10 for 75°F, falling linearly to 9 for 80°F, and to 1 for 90°F or hotter. The climate in Hilo is warm, muggy, windy, and partly cloudy. Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database . Year round warm sea temperatures at Hilo Breakwall climb to their warmest in early to mid September. The climate in Hilo during February can be summarized as excessively hot and arid. The coldest month in Hilo is February, with an average high-temperature of 78.8°F (26°C) and an average low-temperature of 63.5°F (17.5°C). The area is less temperate than some — in the 35th percentile for pleasant weather — compared to tourist destinations worldwide. Shortwave radiation includes visible light and ultraviolet radiation. 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. The clearer part of the year in Hilo begins around May 18 and lasts for 4.1 months, ending around September 21. For each station, the records are corrected for the elevation difference between that station and Hilo according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations. As you move up the hill from Hilo into the higher elevation, you can expect cooler temperatures and more rain. Daytime maximum temperatures average around a cold 0°C (32°F), whilst at night 0°C (32°F) is normal. Based on the tourism score, the best time of year to visit Hilo for warm-weather activities is from early November to mid October. The time in which the moon is above the horizon (light blue area), with new moons (dark gray lines) and full moons (blue lines) indicated. The average hourly wind speed in Hilo experiences mild seasonal variation over the course of the year. [2347737], Weather Atlas | © 2002-2021 | Yu Media Group d.o.o. Our cloud cover score is 10 for fully clear skies, falling linearly to 9 for mostly clear skies, and to 1 for fully overcast skies. The thin dotted line is the corresponding average liquid-equivalent snowfall. The chance of a wet day peaks at 33% on April 7. Regional water temperature and marine climate data is provided daily by the National Oceanic and Atmospheric Administration That’s not so in Hawaii. Home; North America; United States; Hawaii; Hilo; Hilo Sea Temperature (Today) 2021. The Hawaiian Islands are located in the middle of the Pacific Ocean. Monthly: 1981-2010 normals History: 2007-2019 Hilo. The average hourly temperature, color coded into bands. The percentage of time spent at various humidity comfort levels, categorized by dew point. The most pleasant months of the year for the Hilo metro area are May, December and April. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds. The length of the day in Hilo varies over the course of the year. In 2021, the shortest day is December 21, with 10 hours, 56 minutes of daylight; the longest day is June 20, with 13 hours, 19 minutes of daylight. Temperature by: Fahrenheit / Centigrade A cold front over the Big Isle has brought a flash flood watch to the island until 6 p.m. tonight with some possible stormy weather continuing through the day. September is the hottest month for the Hilo metro area with an average high temperature of 81.4°, which ranks it as cooler than most places in Hawaii. February is the least humid month in Hilo, with an average relative humidity of 76%. Hilo experiences extreme seasonal variation in the perceived humidity. In May, the average rises to a very comfortable 80 to 85 F range. Considering humidity, temperatures feel hot for about half of the year and otherwise nice with a chance of rain throughout most of the year. The wetter season lasts 9.8 months, from September 28 to July 21, with a greater than 28% chance of a given day being a wet day. In contrast, in Hawaii, the coldest temperatures observed on Christmas Day are 59 degrees in Honolulu and 58 in Hilo. 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. The driest month (with the lowest rainfall) is June (108mm). All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition , by Jean Meeus. Daylight saving time (DST) is not observed in Hilo during 2021. Daily average temperatures range from 85 degrees Fahrenheit to 87 degrees Fahrenheit (29 to 30 degrees Celsius) during the day and can drop as low as 70 degrees Fahrenheit (21 degrees Celsius) at night. Those scores are combined into a single hourly composite score, which is then aggregated into days, averaged over all the years in the analysis period, and smoothed. What is the rainiest month in Hilo? The temperature in Hilo varies so little throughout the year that it is not entirely meaningful to discuss hot and cold seasons. day night Weather update from Hilo, Hilo International Airport at 2020-10-14T12:53:00+00:00 Key findings The highest monthly average temperature in Hilo for August is 76 degrees (Average highs 28ºC, average rainfall 43mm, Honolulu average water temperature 26ºC.) The darker period of the year lasts for 2.7 months, from November 6 to January 28, with an average daily incident shortwave energy per square meter below 5.0 kWh. Based on this categorization, the most common form of precipitation throughout the year is rain alone, with a peak probability of 33% on April 7. For each hour between 8:00 AM and 9:00 PM of each day in the analysis period (1980 to 2016), independent scores are computed for perceived temperature, cloud cover, and total precipitation. In Hilo, there are 12 comfortable months with high temperatures in the range of 70-85°. 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