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Charleston (WV) Weather and Climate: A Comprehensive Guide

The climate in Charleston is marked by big temperature swings throughout the year. Temperatures range from warm during the warmest months to cold in the cooler months. It also has a relatively rain/snowy climate with high levels of precipitation. Let's now guide you through the climate details for a complete overview.

Average maximum day and minimum night temperature

In Charleston, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 30°C in July to a chilly 6°C in January.

Nighttime temperatures can drop, with average lows reaching -5°C in January. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Charleston experiences significant rain/snowfall throughout the year, averaging 1220 mm 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 of precipitation. This rainfall is distributed across 15 rainy days.

In contrast, the driest month, November, experiences much less rainfall, totaling 69 mm 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

Forecast for Charleston (WV)

Sun   Dec 22
0°C | -8°C
E 2 m/s
partly cloudy and no rain

partly cloudy and no rain

Mon   Dec 23
9°C | -5°C
SW 2 m/s
clear and no rain

clear and no rain

Tue   Dec 24
7°C | 0°C
SW 2 m/s
1.6 mm
overcast and rain

overcast and rain

The best time of year to visit Charleston in the United States of America

During the months of April and May you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Which is the warmest month in Charleston?
    August has an average maximum temperature of 30°C and is the warmest month of the year.
  • Which is the coldest month in Charleston?
    The coldest month is January with an average maximum temperature of 6°C.
  • Which is the wettest month in Charleston?
    July tops the wettest month list with 161 mm of rainfall.
  • Which is the driest month in Charleston?
    November is the driest month with 69 mm of precipitation.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.