Charleston (WV) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Charleston.
Climate overview of Charleston
The climate in Charleston, West Virginia, United States of America, is marked by large temperature swings across the seasons, ranging from 30°C (86°F) in July to 6°C (43°F) in January.
The city has a wet climate, receiving around 1220 mm (48 in) of rain/snowfall per year. Despite the high annual total, it has warm summers and cold winters. July is the wettest month.
Charleston Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Charleston - and find the best time to visit.
Monthly Temperature in Charleston
In Charleston, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 30°C (86°F) in July to a chilly 6°C (43°F) in January.
Nighttime temperatures range from 18°C (64°F) in July to -5°C (23°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Charleston
Charleston experiences significant rain/snowfall throughout the year, averaging 1220 mm (48 in) of precipitation annually. The seasons in Charleston bring significant changes in precipitation. The wettest month, July, receives heavy rainfall, with an average of 161 mm (6.3 in) of precipitation. This rainfall is distributed across 15 rainy days.
In contrast, the driest month, November, experiences much less rainfall, totaling 69 mm (2.7 in) over 11 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Charleston Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Charleston
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: April, September and October
- Warmest weather: June, July and August
- Fewer rainy days: April, August, September, October and November
- Seasonal pattern: Warm summers and cold winters
- Coldest conditions: January, with freezing nights around -5°C (23°F).
Frequently asked questions about the climate in Charleston
What is the best time to visit Charleston?
April, September and October typically offer the most optimal weather in Charleston. In contrast, January, February and December tend to have less optimal conditions. Charleston has warm summers and cold winters.
What temperatures can I expect in Charleston?
Daytime highs range from 6°C (43°F) in January to 30°C (86°F) in July. Nighttime lows range from -5°C (23°F) to 18°C (64°F). Temperatures vary considerably through the year.
How much rain does Charleston get?
Annual rainfall is around 1220 mm (48 in). July is the wettest month with 161 mm (6.3 in), while November is the driest with 69 mm (2.7 in).
Charleston 3-Day Forecast
Charleston on the map
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