Charleston
The tables below display average monthly climate and weather indicators in Charleston West Virginia.
Temperature by: Fahrenheit / Centigrade
| Charleston Temperature |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Avg. Temperature | 0.1 | 1.9 | 7.7 | 12.7 | 17.5 | 21.9 | 23.9 | 23.3 | 19.8 | 13.4 | 8.2 | 2.8 | 12.8 |
| Avg. Max Temperature | 5.1 | 7.4 | 13.7 | 19.3 | 24.2 | 28.4 | 29.8 | 29.1 | 26.0 | 20.1 | 14.1 | 7.8 | 18.8 |
| Avg. Min Temperature | -5.0 | -3.5 | 1.7 | 6.0 | 10.8 | 15.4 | 18.0 | 17.4 | 13.6 | 6.8 | 2.4 | -2.2 | 6.8 |
| Days with Max Temp of 32 C or Higher | 0.0 | 0.0 | 0.0 | < 0.5 | 1.0 | 5.0 | 8.0 | 5.0 | 2.0 | < 0.5 | 0.0 | 0.0 | 21.0 |
| Days with Min Temp Below Freezing | 23.0 | 20.0 | 15.0 | 5.0 | < 0.5 | 0.0 | 0.0 | 0.0 | 0.0 | 3.0 | 13.0 | 21.0 | 99.0 |
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| Charleston Heating and Cooling |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Heating Degree Days | 1020 | 826 | 592 | 312 | 129 | 10.0 | 0.0 | 0.0 | 44.0 | 299 | 546 | 868 | 4646 |
| Cooling Degree Days | 0.0 | 0.0 | 0.0 | 6.0 | 83.0 | 202 | 313 | 276 | 125 | 26.0 | 0.0 | 0.0 | 1031 |
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| Charleston Precipitation |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Precipitation (inches) | 2.9 | 3.0 | 3.6 | 3.3 | 3.9 | 3.6 | 5.0 | 4.0 | 3.2 | 2.9 | 3.6 | 3.4 | 42.5 |
| Days with Precipitation 0.01 inch or More | 15.0 | 14.0 | 15.0 | 14.0 | 13.0 | 12.0 | 13.0 | 11.0 | 9.0 | 9.0 | 12.0 | 14.0 | 152 |
| Monthly Snowfall (inches) | 11.1 | 8.7 | 5.4 | 0.9 | 0.0 | < 0.05 | < 0.05 | < 0.05 | < 0.05 | 0.2 | 2.4 | 5.3 | 34.0 |
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| Other Charleston Weather Indicators |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Average Wind Speed | 7.1 | 7.0 | 7.8 | 7.2 | 5.8 | 5.2 | 4.8 | 4.3 | 4.6 | 4.8 | 6.2 | 6.5 | 5.9 |
| Clear Days | 4.0 | 4.0 | 5.0 | 6.0 | 6.0 | 5.0 | 5.0 | 5.0 | 7.0 | 9.0 | 5.0 | 5.0 | 65.0 |
| Partly Cloudy Days | 6.0 | 6.0 | 8.0 | 8.0 | 10.0 | 13.0 | 13.0 | 14.0 | 11.0 | 9.0 | 7.0 | 6.0 | 111 |
| Cloudy Days | 21.0 | 18.0 | 19.0 | 16.0 | 15.0 | 12.0 | 13.0 | 12.0 | 12.0 | 13.0 | 18.0 | 20.0 | 189 |
| Percent of Possible Sunshine | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Avg. Relative Humidity | 64.5 | 70.0 | 67.0 | 64.5 | 65.5 | 69.5 | 72.5 | 76.0 | 75.0 | 72.5 | 67.5 | 67.5 | 73.0 |
Weather information for other cities in West Virginia