Current Weather and Forecast in Charleston, WV
West Virginia, United States 🇺🇸
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About the weather in Charleston
Charleston has a humid subtropical climate. July is the warmest month, with average highs of 85°, and January the coldest, when nights fall to around 28°. July brings the most rain, on about 15 days, while June is the sunniest, with 11.7 hours of sunshine a day. Over a whole year it rains on roughly 150 days.
Charleston climate guide: monthly averages, seasons and the best time to visit
Common questions
When does Charleston drop below freezing?
Average overnight lows sit at or below 0°C in 2 months of the year, January through February.
Which month is warmest in Charleston?
July, averaging 85°F (30°C) by day and 68°F (20°C) overnight. The hottest single day in our 2015-2024 record for this location reached 96°F (36°C).
What is the best month to go to Charleston?
April to June and August to October is the sweet spot for Charleston - warm days, manageable rainfall and plenty of daylight line up. Expect 75°F (24°C) in the afternoon and around 12 days of rain in a typical month of it. For the same question asked the other way round, see where else is warm in April.
When is Charleston at its coldest?
January, with highs of 44°F (6°C) and lows near 28°F (-2°C). The coldest day in the 2015-2024 record fell to -13°F (-25°C).
Is Charleston hot in summer?
July averages 85°F (30°C). Hot afternoons happen but extremes are not the norm.
Does it snow in Charleston?
Yes - about 9 days a year carry measurable snowfall, concentrated December through April.
What is the rainiest month in Charleston?
July, at 5.3 inches (135 mm) over about 15 days. November is the driest month, at 2.9 inches (73 mm).