Charleston Weather in December

What's the weather like in Charleston (South Carolina) in December 2022?

The climate in Charleston during December can be summarized as mild and reasonably dry.

December is in the winter in Charleston and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cool 16°C (60°F), whilst at night 7°C (44°F) is normal.

Charleston weather averages (imperial / metric)
Daytime temperature 15.6°C 60.1°F
Nightly temperature 6.6°C 43.9°F
Average temperature 11.1°C 52°F
Daily sunshine 6.1 hrs
Avg rainfall 76 mm 3 ins
Rainy days 8 days
Sea temperature 21.8°C 71.2°F
Humidity 72%
Windspeed 14.4kph 9 mph

On average December is the 4th driest month of the year in Charleston with around 76mm 3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.

On the flip side this corresponds to an average of 6.1 hours of sunshine per day.

December temperatures in Charleston

Charleston average temperature in December

December rainfall

Charleston average rain in December

December hourly sunshine

Charleston average rain in December

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Charleston in December 2022.

Other monthly averages

Best places to visit in December

UV index Best time to go?

Charleston weather stats

Charleston weather statistics
Hottest month: July 31.2°C 88.2°F
Driest month: November 60mm 2.4ins
Sunniest month: April 9.8hrs
Coldest month: January 13.3°C 55.9°F
Wettest month: August 185mm 7.3ins
Map showing location of Charleston (32.77657, -79.93092)

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