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Hilton Head Island, South Carolina, gets 51 inches of rain per year. The US average is 39. Snowfall is 0 inches. The average US city gets 26 inches of snow per year. The number of days with any measurable precipitation is 72.

On average, there are 215 sunny days per year in Hilton Head Island, South Carolina. The July high is around 90 degrees. The January low is 40. Sperling's comfort index for Hilton Head Island is a 84 out of 100, where a higher score indicates a more comfortable year-around 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.

  CLIMATEHilton Head Island, South CarolinaUnited States
  Rainfall (in.)  51.288139.2
  Snowfall (in.)  0.20192825.8
  Precipitation Days  72.1102
  Sunny Days  215205
  Avg. July High  89.80786.1
  Avg. Jan. Low  39.92322.6
  Comfort Index (higher=better)  8454
  UV Index  5.54.3
  Elevation ft.  91,443

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Reviews for Hilton Head Island

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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)

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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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