Hilton Head Island, South Carolina 

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Climate in Hilton Head Island, South Carolina

Hilton Head Island, South Carolina gets 48 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Hilton Head Island averages 0 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 215 sunny days per year in Hilton Head Island. The US average is 205 sunny days.

Hilton Head Island gets some kind of precipitation, on average, 103 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.


Weather Highlights

Summer High: the July high is around 91 degrees
Winter Low: the January low is 39
Rain: averages 48 inches of rain a year
Snow: averages 0 inches of snow a year


SPERLING'S COMFORT INDEX
Hilton Head Island ranks 84/100 for Comfort Index

A higher score indicates a more comfortable year-round climate. The US average for the comfort index is 54. Our index is based on the total number of days annually within the comfort range of 70-80 degrees, and we also applied a penalty for days of excessive humidity.

CLIMATE

Climate Averages
  Hilton Head Island, South CarolinaUnited States
  48.1 in.38.1 in.
  0.1 in.27.8 in.
  103.4 days106.2 days
  215 days205 days
  90.8°85.8°
  39.2°21.7°
  8454
  5.54.3
  10 ft.2443 ft.

YOU SHOULD KNOW

Many people confuse weather and climate but they are different. 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.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.


July is the hottest month for Hilton Head Island with an average high temperature of 90.8°, which ranks it as cooler than most places in South Carolina. In Hilton Head Island, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Hilton Head Island are October, April and May.


January has the coldest nighttime temperatures for Hilton Head Island with an average of 39.2°. This is one of the warmest places in South Carolina.


In Hilton Head Island, there are 51.5 days annually when the high temperature is over 90°, which is about average compared to other places in South Carolina.


In Hilton Head Island, there are 17.5 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in South Carolina.


In Hilton Head Island, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in South Carolina.


August is the wettest month in Hilton Head Island with 7.1 inches of rain, and the driest month is May with 2.2 inches. The wettest season is Autumn with 37% of yearly precipitation and 18% occurs in Summer, which is the driest season. The annual rainfall of 48.1 inches in Hilton Head Island means that it is wetter than most places in South Carolina.


August is the rainiest month in Hilton Head Island with 12.3 days of rain, and May is the driest month with only 6.4 rainy days. There are 103.4 rainy days annually in Hilton Head Island, which is about average compared to other places in South Carolina. The rainiest season is Autumn when it rains 32% of the time and the driest is Summer with only a 20% chance of a rainy day.


An annual snowfall of 0.1 inches in Hilton Head Island means that it is one of the least snowy places in South Carolina.



December is the snowiest month in Hilton Head Island with 0.1 inches of snow, and no months of the year have significant snowfall.


CLIMATE MAP
  • Annual Rainfall (US Avg: 36.5")
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    Reviews for Hilton Head Island    20 Reviews
    Hilton Head Island is the Best Kept Secret in the - 3/4/2016
    We got a second home on Hilton Head Island 10 years ago to get away from the Canadian winter weather. It took about 3 days to realize this is where we want to be... Read More

    Start Your Review of Hilton Head Island


    Viciously Intolerant Right Wingers - 7/27/2013
    I have watched HHI change remarkably in the 40 years I have lived there. Development really started in 1979 and the early residents were explorers and drop outs who... Read More

    Intolerant and Insufferable - 7/4/2013
    I have lived on barrier islands in the SE for forty years and on Hilton Head for the past twenty years. HHI is self destructing due to the fact that it the population... Read More


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    ZIP CODES IN HILTON HEAD ISLAND, SOUTH CAROLINA
    29926 29928

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