Hilton Head Island average temperature
|Month||Temp. (min)||Temp. (max)||Temp. (avg)||Precipitation|
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
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|Index||Hilton Head Island||South Carolina||National|
|Air quality index||40||37||50|
In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
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
|Days with good air quality||249|
|Days with moderate air quality||106|
|Days w/ poor A.Q. for sensitive groups||10|
|Days with unhealthy air quality|
Air pollution information
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
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Hilton Head Island monthly wind speed information
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