West Virginia climate
World Climates covers 1 place in West Virginia. Charleston has a humid subtropical climate (Köppen Cfa).
Climate of Charleston at a glance
The year average in Charleston is 13 °C56 °F. The warmest month is July, with an average high of 31 °C88 °F. The coldest is January, with an average low of −4 °C25 °F. About 1,128 mm44 in of precipitation falls in a year. July is the wettest month and November the driest. By our comfort score, the best months to visit are September and October.
Frequently asked questions
How many places in West Virginia does this site cover?
World Climates has climate data for one place in West Virginia: Charleston. Its page has monthly averages for temperature, rainfall, humidity and daylight.
What is the warmest month in Charleston?
July is the warmest month, with an average high of 31 °C88 °F. January is the coldest, with an average low of −4 °C25 °F.
When does it rain the most in Charleston?
July is the wettest month, with about 125 mm4.9 in of precipitation. The yearly total is about 1,128 mm44 in.
When is the best time to visit Charleston?
By our comfort score, the most comfortable months are September and October. The score is based on long-term averages, not on a forecast.
Climate of every place in West Virginia
| Place | Year | Max high | Min low | Precip. |
|---|---|---|---|---|
| Charleston | 13 | 31 | −4 | 1,128 |
Year = annual mean temperature; max high = average high of the warmest month; min low = average low of the coldest month; precip. = annual total. Temperatures in °C°F, precipitation in mminches. Sorted by population.
Data: NASA POWER climatology 2001–2025 (MERRA-2 reanalysis, CERES satellite data) — grid-cell averages, not station records. Sources and method.