Charleston Weather in March

The climate in Charleston during March can be summarized as cool and wet.

March is in the spring in Charleston and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a cool 15°C (59°F), whilst at night 4°C (39°F) is normal.

On average March is the 2nd wettest month of the year in Charleston with around 121mm 4.8 inches of rain making it a wet time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.

On the flip side this corresponds to an average of 7 hours of sunshine per day.

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 March 2024.