Hilton Head Island, SC Weather

Hilton Head Island weather forecast

  • Temperature:51°F
  • Humidity:54%
  • Pressure:30.36inHg
  • Wind speed:6mph
  • Direction:
  • Gusts:n/a

Update from Beaufort, Marine Corps Air Station, SC on 29 Mar 7:56 PM EDT

Forecasted weather

Tonight

Clear

42°F

Monday

Chance Showers

68°F 30% POP

Monday Night

Slight Chc Thunderstorms

51°F 20% POP

Tuesday

Mostly Sunny

66°F

Tuesday Night

Slight Chc Showers

56°F 20% POP

Wednesday

Slight Chc Showers

69°F 20% POP

Wednesday Night

Mostly Cloudy

59°F

Thursday

Chance Showers

73°F 30% POP

Thursday Night

Chance Showers

61°F 30% POP

Friday

Mostly Sunny

76°F

Friday Night

Partly Cloudy

63°F

Saturday

Chance Thunderstorms

74°F 30% POP

Saturday Night

Chance Thunderstorms

57°F 30% POP

Sunday

Mostly Sunny

67°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, SC properties for sale

Hilton Head Island air quality index & pollution index

IndexHilton Head IslandSouth CarolinaNational
Air quality index403750
Pollution index1,428,3703,259,2535,072,052
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 8.8% greater than the South Carolina average and 19.5% less 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 56.2% less than the South Carolina average and 71.8% less than the national average.

Air quality information

MeasurementTotal
Days measured365
Days with good air quality249
Days with moderate air quality106
Days w/ poor A.Q. for sensitive groups10
Days with unhealthy air quality

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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