Hilton Head Island, SC Weather

Hilton Head Island weather forecast

  • Temperature:58°F
  • Humidity:78%
  • Pressure:30.26inHg
  • Wind speed:12mph
  • Direction:South
  • Gusts:20mph

Update from Beaufort, Marine Corps Air Station, SC on 18 Apr 8:56 AM EDT

Forecasted weather

Today

Showers

63°F 90% POP

Tonight

Heavy Rain

61°F 100% POP

Saturday

Showers Likely

65°F 60% POP

Saturday Night

Chance Showers

57°F 50% POP

Sunday

Chance Showers

67°F 30% POP

Sunday Night

Breezy

55°F

Monday

Mostly Sunny

72°F

Monday Night

Partly Cloudy

58°F

Tuesday

Mostly Sunny

73°F

Tuesday Night

Partly Cloudy

60°F

Wednesday

Sunny

76°F

Wednesday Night

Mostly Clear

63°F

Thursday

Sunny

74°F

Hilton Head Island average temperature

MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
January28°F77°F53°Fn/a
February27°F77°F54°Fn/a
March32°F86°F60°Fn/a
April37°F90°F67°Fn/a
May52°F95°F74°Fn/a
June52°F102°F81°Fn/a
July70°F99°F83°Fn/a
August70°F100°F83°Fn/a
September55°F93°F79°Fn/a
October41°F88°F70°Fn/a
November32°F82°F60°Fn/a
December30°F79°F56°Fn/a
In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.

The highest average temperature in Hilton Head Island is August at 83.1 degrees. The coldest average temperature in Hilton Head Island is January at 52.9 degrees. The most monthly precipitation in Hilton Head Island occurs in January with 0 inches. The Hilton Head Island weather information is based on the average of the previous 3-7 years of data.

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Hilton Head Island air quality index & pollution index

IndexHilton Head IslandSouth CarolinaNational
Air quality index414237
Pollution index1,428,3703,271,6566,623,939
In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
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The Hilton Head Island, SC air quality index is a median value which considers the most hazardous air pollutants. The Hilton Head Island, SC air quality index is 3.2% less than the South Carolina average and 10.8% greater than the national average.

The Hilton Head Island, SC pollution index is the sum of the most hazardous air pollutants displayed in pounds. The Hilton Head Island, SC pollution index is 56.3% less than the South Carolina average and 78.4% less than the national average.

Air quality information

MeasurementTotal
Days measured366
Days with good air quality287
Days with moderate air quality79
Days w/ poor A.Q. for sensitive groups0
Days with unhealthy air quality0

Air pollution information

PollutantTotal
Arsenic0.020%
Benzene0.020%
Carbon Tetrachloride0.002%
Lead0.040%
Mercury0.000%

Average monthly Hilton Head Island temperature with heat index

Hilton Head Island monthly precipitation with daily maximum

Hilton Head Island monthly snow depth with daily maximum

Hilton Head Island monthly wind speed information

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Cities near Hilton Head Island, SC

CityMilesCityMiles
Hilton Head Island, SC0Wilmington Island, GA18.2
Bluffton, SC9.3Whitemarsh Island, GA18.2
Parris Island, SC10.7Laurel Bay, SC19.5
Tybee Island, GA13.4Thunderbolt, GA20.7
Shell Point, SC14.1Hardeeville, SC20.9
Port Royal, SC14.5Isle of Hope, GA22.8
Burton, SC17Savannah, GA22.9
Beaufort, SC17.8Skidaway Island, GA24.7
See all South Carolina cities