… This report illustrates the typical weather in Hilton Head Island, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016. Find all the info about the weather, climate, prices, what to pack & more with Time Travella. The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds. Daily low temperatures decrease by 5°F, from 49°F to 44°F, rarely falling below 31°F or exceeding 62°F. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night. Hilton Head Island Weather for December 2020. The black line is the percentage chance that a given day is within the growing season. Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations. N/A On average, the recorded minimum temperature is 83°F. Maximum temperature yesterday: 54 °F (at 2:26 pm) Minimum temperature yesterday: 33 °F (at 2:56 am) Average temperature yesterday: 43 °F. We assume no responsibility for any decisions made on the basis of the content presented on this site. Station Data. Carte. Carte. Brisk days are not uncommon during December on the Island, but most days maintain relatively mild and pleasant temperatures. Hilton Head Island, South Carolina - Travel and vacation weather averages, current conditions and forecasts. Max: 18.4°C / 65.1°F; Avg: 16°C / 60.8°F; Min: 13.6°C / 56.5°F; These average ocean temperatures for Hilton Head Island are calculated from several years of archived data. Weather Spark. The daily average water temperature (purple line), with 25th to 75th and 10th to 90th percentile bands. Most restaurants are still open as are most activities. Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere). Weather Spark. Hilton Head Island Temperature Yesterday. Hilton Head Island, SC 50° F We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Disney's Hilton Head Island Resort: December in Hilton Head Disney - See 1,172 traveler reviews, 1,004 candid photos, and great deals for Disney's Hilton Head Island Resort at Tripadvisor. The topography within 2 miles of Hilton Head Island is essentially flat, with a maximum elevation change of 16 feet and an average elevation above sea level of 7 feet. Thus, the mean temperature average on this month of january in Hilton Head Island is 56°F. A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. Lower dew points feel drier and higher dew points feel more humid. 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 . 50.34 inches: How Many Rainy Days a year are there in Hilton Head Island? For each station, the records are corrected for the elevation difference between that station and Hilton Head Island according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations. Average December sea temperatures. Average High 63 ... 81 ° (1998) Record Low 20 ° (2000) Average Rainfall 3.30 in. Over the month of October, the temperature gradually cools, but the average daily temperature still falls anywhere between a low of 59 degrees to a high of 77 degrees, with most days achieving a temperature in the low 70s. The climate is quite fresh here january, but it is bearable when dressing hot. msn back to msn home weather records and averages. Hilton Head Island’s subtropical weather allows you to enjoy the breathtaking coast and surrounding ‘Lowcountry’ all year round. In Hilton Head Island, the chance of a wet day over the course of December is essentially constant, remaining around 23% throughout. 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. support@__remove_this_part__weatherspark.com. Hilton Head Temperature Yesterday. The average accumulated growing degree days in Hilton Head Island are increasing during December, increasing by 187°F, from 6,257°F to 6,444°F, over the course of the month. The shaded overlays indicate night and civil twilight. Even the balmy coasts of South Carolina can’t fully escape winter, as temperatures continue to cool across the region. The sun shines for 6 hours each day and it doesn’t rain a lot with only 7 rainy days on average. This section reports on the wide-area average surface temperature of that water. TEMPERATURE . The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. Kayaking and dolphin-watching trips should still be available this month, as should fishing charters. The climate in Hilton Head Island during December can be summarized as mild and reasonably dry. Get AccuWeather alerts as they happen with our browser notifications. The month of December in Hilton Head Island experiences gradually increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 42% to 47%. Temperature December min. Topsy-turvy weather could trigger whiplash in East, Get your telescope: Planets to shine like ‘Christmas star’, Daily coronavirus briefing: New travel bans issued in Europe, Business is booming for dry ice suppliers, Podcast: Rapid freeze-up, snow to follow flooding rain. °C, km/h °F °F, nœuds °C, m/s °C, km/h °C, miles/h Weather.com brings you the most accurate monthly weather forecast for with average/record and high/low temperatures, precipitation and more. The chance that a given day will be muggy in Hilton Head Island is decreasing during December, falling from 10% to 4% over the course of the month. The average hourly temperature, color coded into bands. 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. Shortwave radiation includes visible light and ultraviolet radiation. Over the course of December in Hilton Head Island, the length of the day is essentially constant. The percentage of time spent in various temperature bands. Maps are © Esri, with data from National Geographic, Esri, DeLorme, NAVTEQ, UNEP-WCMC, USGS, NASA, ESA, METI, NRCAN, GEBCO, NOAA, and iPC. Names, locations, and other defects site is provided as is, any. Or lower help you plan ahead cool down further during December on basis... 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