Best year time to visit Charleston (historical)

General weather information about Charleston (historical)

Average annual temperature is 14.8 °C

Absolute maximum temperature: 36.8 °C

Absolute minimum temperature: -6.6 °C

Number of sunny days: 185 days

Number of rainy days: 178 days

Number of snow days: 2 days

Look at detailed online map of Charleston (historical)

* Weather data for Charleston (historical) United States is based on climate observations for 2026 year

Charleston (historical) air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)19.424.925.028.830.233.236.136.835.230.326.719.6
Average daytime temperature (°C)11.014.414.720.524.628.631.630.528.321.715.011.7
Average temperature (°C)6.18.08.213.517.921.725.324.221.415.78.76.2
Average night temperature (°C)2.63.23.37.712.115.820.319.215.811.04.32.5
Absolute minimum temperature (°C)-5.0-6.5-6.60.53.210.215.913.312.03.3-5.4-5.4

Charleston (historical) monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.014.013.011.010.09.0
Daylight mean duration (h)9.910.812.013.214.214.714.513.612.411.210.29.6
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)4.67.17.69.810.310.811.810.710.57.87.45.5
Precipitation (mm)1689911779451276511442524386
Sunny days11151817171471615192214
Rainy days19131213141624151512817
Snow days101000000000

Best time to visit Charleston (historical):

The best time to visit Charleston (historical) during the most sunny months:

  • July — 11.8(h)

The largest precipitation sum in Charleston (historical) is at

  • January — 168(mm)
  • March — 117(mm)
  • June — 127(mm)
  • August — 114(mm)
  • Frequently asked questions

    When is the best time to visit Charleston (historical)?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Charleston (historical).
    What is the weather like in Charleston (historical)?
    See average temperature, rainfall and daylight hours for Charleston (historical) by month in the table above.
    How many sunny days does Charleston (historical) have?
    The monthly weather statistics above show sunshine and rainfall patterns for Charleston (historical) throughout the year.