Charleston Airport

The tables below display average monthly climate and weather indicators in Charleston Airport South Carolina.

Temperature by: Fahrenheit / Centigrade

Charleston Airport Temperature Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Avg. Temperature8.810.314.518.322.725.727.527.024.719.314.710.718.7
Avg. Max Temperature14.316.120.324.328.230.932.331.729.425.120.816.424.2
Avg. Min Temperature3.24.48.612.217.220.622.622.319.913.58.44.813.2
Days with Max Temp of 32 C or Higher0.00.0< 0.51.04.011.017.014.05.0< 0.50.00.053.0
Days with Min Temp Below Freezing11.07.03.0< 0.50.00.00.00.00.0< 0.53.09.032.0
 
Charleston Airport Heating and Cooling Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Heating Degree Days54841423966.00.00.00.00.00.074.02334392013
Cooling Degree Days15.08.025.063.024239951248434213035.011.02266
 
Charleston Airport Precipitation Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precipitation (inches)3.53.34.32.74.06.46.87.24.72.92.53.251.5
Days with Precipitation 0.01 inch or More10.09.010.07.09.011.014.013.010.06.07.09.0114
Monthly Snowfall (inches)0.10.20.1< 0.050.0< 0.05< 0.050.00.00.0< 0.050.30.7
 
Other Charleston Airport Weather Indicators Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Average Wind Speed9.19.810.09.78.68.37.87.47.78.08.18.58.6
Clear Days9.09.09.011.08.06.05.06.07.011.012.09.0102
Partly Cloudy Days6.06.08.08.011.011.012.013.010.08.07.07.0109
Cloudy Days16.013.014.011.012.013.013.013.013.011.012.014.0155
Percent of Possible Sunshine56.059.066.072.068.066.067.064.061.063.059.056.063.0
Avg. Relative Humidity69.569.067.567.067.069.573.576.076.575.571.068.570.5

Weather information for other cities in South Carolina

Portions of this site are based on the CIA World Fact Book, a public-domain work
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