Weather in Charleston County in March

General weather information about Charleston County

Average annual temperature is 19.5 °C

Absolute maximum temperature: 36.2 °C

Absolute minimum temperature: 0.6 °C

Number of sunny days: 167 days

Number of rainy days: 198 days

Look at detailed online map of Charleston County

* Weather data for Charleston County United States is based on climate observations for 2026 year

Charleston County air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)21.226.827.527.032.333.336.234.732.928.926.121.9
Average daytime temperature (°C)16.819.720.323.624.928.431.431.228.324.319.216.5
Average temperature (°C)12.315.116.119.121.124.527.627.624.019.514.512.3
Average night temperature (°C)8.711.712.415.217.421.224.624.420.415.811.09.1
Absolute minimum temperature (°C)0.61.62.47.811.716.421.222.017.210.43.01.0

Charleston County monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.013.012.011.010.010.0
Daylight mean duration (h)10.311.012.013.013.814.314.113.312.411.410.510.0
Daylight minimum duration (h)10.010.011.012.013.014.013.012.011.010.010.09.0
Sunshine mean duration (h)7.37.98.810.310.511.411.811.410.39.07.06.8
Precipitation (mm)829642152120187186158647049267
Sunny days18152015972617201919
Rainy days131311152223292513111112
Snow days000000000000

Charleston County - weather forecast by months

Charleston County weather in januaryCharleston County weather in februaryCharleston County weather in marchCharleston County weather in aprilCharleston County weather in mayCharleston County weather in juneCharleston County weather in julyCharleston County weather in augustCharleston County weather in septemberCharleston County weather in octoberCharleston County weather in novemberCharleston County weather in december

Best time to visit Charleston County:

The best time to visit Charleston County during the most sunny months:

  • July — 11.8(h)

The largest precipitation sum in Charleston County is at

  • June — 187(mm)
  • July — 186(mm)
  • August — 158(mm)
  • December — 267(mm)

    • Weather forecast in the closest to Charleston County admin centers

    Weather forecast in the closest towns to Charleston County

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    MapTrains schedule
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    Frequently asked questions

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