Best year time to visit Charleston

General weather information about Charleston

Average annual temperature is 19.6 °C

Absolute maximum temperature: 36.7 °C

Absolute minimum temperature: 0.4 °C

Number of sunny days: 170

Number of rainy days: 195

Number of snow days:

Average annual precipitation: 1300 mm

Look at detailed online map of Charleston

* Weather data for Charleston United States is based on climate observations for 2023 year

Charleston air temperature forecast for each month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Absolute maximum temperature (°C) 21.2 26.3 26.9 26.7 32.5 32.6 36.7 34.6 32.5 28.6 26 21.7
Average daytime temperature (°C) 16.5 19.2 19.9 23.4 25.1 28.3 31.5 31.3 28.3 24.2 19.2 16.4
Average temperature (°C) 12.3 14.9 16.1 19.2 21.3 24.6 27.9 27.9 24.3 19.7 14.6 12.4
Average night temperature (°C) 8.7 11.7 12.5 15.3 17.6 21.4 24.8 24.8 20.7 15.9 11.1 9.3
Absolute minimum temperature (°C) 0.4 1.5 2.2 7.9 11.9 16.5 21.6 22.2 17.2 11 3.3 1

Charleston monthly weather indicators

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daylight maximum duration (h) 10.6 11.5 12.5 13.5 14.2 14.3 14.3 13.8 12.9 11.9 10.9 10.2
Daylight mean duration (h) 10.3 11 12 13 13.9 14.3 14.1 13.3 12.4 11.4 10.5 10
Daylight minimum duration (h) 10 10.6 11.5 12.5 13.5 14.2 13.8 12.9 11.9 10.9 10.2 10
Sunshine mean duration (h) 7.4 8.1 9.1 10.3 10.5 11.4 11.7 11.4 10.3 9.3 7.6 7.3
Precipitation (mm) 87 103 45 153 108 151 152 121 44 78 51 209
Sunny days 18 15 20 16 11 6 3 8 14 20 19 20
Rainy days 13 13 11 14 20 24 28 23 16 11 11 11

Charleston - weather forecast by months

January February March April May June July August September October November December

Best time to visit Charleston:

The largest precipitation sum in Charleston is at

  • April — 153(mm)
  • June — 151(mm)
  • July — 152(mm)
  • December — 209(mm)

Weather forecast in the closest to Charleston admin centers