Average Weather in February in Hilton Head South Carolina, United States
Daily high temperatures increase by 5°F, from 59°F to 64°F, rarely falling below 48°F or exceeding 75°F.
Daily low temperatures increase by 5°F, from 43°F to 47°F, rarely falling below 31°F or exceeding 59°F.
For reference, on July 23, the hottest day of the year, temperatures in Hilton Head typically range from 76°F to 89°F, while on January 17, the coldest day of the year, they range from 42°F to 59°F.
Average High and Low Temperature in February
The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on February. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.
Average Hourly Temperature in February
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The month of February in Hilton Head experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 47% throughout the month. The highest chance of overcast or mostly cloudy conditions is 48% on February 14.
The clearest day of the month is February 28, with clear, mostly clear, or partly cloudy conditions 54% of the time.
For reference, on July 12, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 57%, while on October 27, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 66%.
Cloud Cover Categories in February
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Hilton Head, the chance of a wet day over the course of February is gradually decreasing, starting the month at 29% and ending it at 26%.
For reference, the year's highest daily chance of a wet day is 53% on August 9, and its lowest chance is 17% on October 30.
Probability of Precipitation in February
To show variation within the month and not just the monthly total, we show the rainfall accumulated over a sliding 31-day period centered around each day.
The average sliding 31-day rainfall during February in Hilton Head is essentially constant, remaining about 3.3 inches throughout, and rarely exceeding 6.2 inches or falling below 1.1 inches.
The highest average 31-day accumulation is 3.4 inches on February 12.
Average Monthly Rainfall in February
Over the course of February in Hilton Head, the length of the day is increasing. From the start to the end of the month, the length of the day increases by 49 minutes, implying an average daily increase of 1 minute, 48 seconds, and weekly increase of 12 minutes, 37 seconds.
The shortest day of the month is February 1, with 10 hours, 40 minutes of daylight and the longest day is February 28, with 11 hours, 29 minutes of daylight.
Hours of Daylight and Twilight in February
The latest sunrise of the month in Hilton Head is 7:16 AM on February 1 and the earliest sunrise is 25 minutes earlier at 6:51 AM on February 28.
The earliest sunset is 5:56 PM on February 1 and the latest sunset is 23 minutes later at 6:20 PM on February 28.
Daylight saving time is observed in Hilton Head during 2021, but it neither starts nor ends during February, so the entire month is in standard time.
For reference, on June 21, the longest day of the year, the Sun rises at 6:16 AM and sets 14 hours, 16 minutes later, at 8:32 PM, while on December 21, the shortest day of the year, it rises at 7:20 AM and sets 10 hours, 2 minutes later, at 5:22 PM.
Sunrise & Sunset with Twilight and Daylight Saving Time in February
The figure below presents a compact representation of key lunar data for February 2021. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. The label associated with each bar indicates the date and time that the phase is obtained, and the companion time labels indicate the rise and set times of the Moon for the nearest time interval in which the moon is above the horizon.
Moon Rise, Set & Phases in February
We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid. 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.
The chance that a given day will be muggy in Hilton Head is gradually increasing during February, rising from 2% to 4% over the course of the month.
For reference, on July 21, the muggiest day of the year, there are muggy conditions 99% of the time, while on January 30, the least muggy day of the year, there are muggy conditions 2% of the time.
Humidity Comfort Levels in February
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. 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 average hourly wind speed in Hilton Head is essentially constant during February, remaining within 0.1 miles per hour of 11.6 miles per hour throughout.
For reference, on January 29, the windiest day of the year, the daily average wind speed is 11.7 miles per hour, while on August 17, the calmest day of the year, the daily average wind speed is 8.9 miles per hour.
Average Wind Speed in February
The hourly average wind direction in Hilton Head throughout February is predominantly from the west, with a peak proportion of 36% on February 2.
Wind Direction in February
Hilton Head is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water.
The average surface water temperature in Hilton Head is essentially constant during February, remaining around 62°F throughout.
Average Water Temperature in February
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).
The growing season in Hilton Head typically lasts for 9.9 months (300 days), from around February 18 to around December 15, rarely starting before January 26 or after March 15, and rarely ending before November 22 or after January 5.
The month of February in Hilton Head is very likely fully outside of the growing season, with the chance that a given day is in the growing season very rapidly increasing from 18% to 70% over the course of the month.
Time Spent in Various Temperature Bands and the Growing Season in February
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. In this report, we use a base of 50°F and a cap of 86°F.
The average accumulated growing degree days in Hilton Head are gradually increasing during February, increasing by 149°F, from 131°F to 280°F, over the course of the month.
Growing Degree Days in February
This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Shortwave radiation includes visible light and ultraviolet radiation.
The average daily incident shortwave solar energy in Hilton Head is increasing during February, rising by 1.0 kWh, from 3.5 kWh to 4.5 kWh, over the course of the month.
Average Daily Incident Shortwave Solar Energy in February
For the purposes of this report, the geographical coordinates of Hilton Head are 32.216 deg latitude, -80.753 deg longitude, and 7 ft elevation.
The topography within 2 miles of Hilton Head is essentially flat, with a maximum elevation change of 16 feet and an average elevation above sea level of 7 feet. Within 10 miles is also essentially flat (33 feet). Within 50 miles is essentially flat (509 feet).
The area within 2 miles of Hilton Head is covered by herbaceous vegetation (58%), water (24%), and artificial surfaces (11%), within 10 miles by water (56%) and herbaceous vegetation (29%), and within 50 miles by water (47%) and trees (25%).
This report illustrates the typical weather in Hilton Head, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.
Temperature and Dew Point
There are 3 weather stations near enough to contribute to our estimation of the temperature and dew point in Hilton Head.
For each station, the records are corrected for the elevation difference between that station and Hilton Head according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.
The estimated value at Hilton Head is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Hilton Head and a given station.
The stations contributing to this reconstruction are: Hilton Head Airport (93%, 5.0 kilometers, east); Hunter U. S. Army Airfield (3.8%, 42 kilometers, southwest); and Savannah International Airport (3.6%, 43 kilometers, west).
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.
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 . 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.
Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations.
Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory.
Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database .
Time zones for airports and weather stations are provided by AskGeo.com .
Maps are © Esri, with data from National Geographic, Esri, DeLorme, NAVTEQ, UNEP-WCMC, USGS, NASA, ESA, METI, NRCAN, GEBCO, NOAA, and iPC.
The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data is prone to errors, outages, and other defects. We assume no responsibility for any decisions made on the basis of the content presented on this site.
We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. 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.
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.