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Charleston weather by month
Check out Charleston weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.
Temperature in Charleston (°C)
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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Min temperature (night-time) | ![]() |
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Heat & Humidity | ![]() |
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Sea temperature | ![]() |
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Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme
Sunshine & Daylight in Charleston
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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Daily hours of sunshine | ||||||||||||
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UV Index (Maximum) | ![]() |
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Rainfall in Charleston
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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Number of days with some rain | ![]() |
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Average monthly rainfall (mm) | ![]() |
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More about Charleston
Charleston by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for South Carolina
Expires at 23:59 on Wednesday 31st Jul 2024 · View all Travel Up offers
The climate guide for South Carolina (Charleston) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
What's the climate like in Charleston?
Charleston has a temperate climate with hot summers and some rainfall in all months.
Metric (°C / mm) | Imperial (°F / inches)
Tropical storm risk: Charleston, South Carolina hurricane season
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More about the USA
Compare Charleston with the USA
Below the Charleston chart shows average maximum daytime temperature for Charleston, South Carolina, USA and the USA (Washington).
Maximum daytime temperature (°C)
Metric (°C / mm) | Imperial (°F / inches)
Compare more Charleston weather >>
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