Weather in August 2025

Charleston weather in August 2025

The weather in Charleston in August is very hot. The average temperatures are between 26°C and 30°C, drinking water regularly is advisable.

There’s going to be many days of rain during the month of August in Charleston.

Charleston should expect an average of 15 to 22 days of rain, so be sure to bring along a waterproof jacket to stay dry this month!

Our weather forecast can give you a great sense of what weather to expect in Charleston in August 2025.

If you’re planning to visit Charleston in the near future, we highly recommend that you review the 14 day weather forecast for Charleston before you arrive.

Temperatures
Temperatures
30° / 26°
Rainy Days
Rainy Days
16
Snowy Days
Snowy Days
0
Dry Days
Dry Days
15
Rainfall
Rainfall
380
mm
11.2
Sun Hours
11.2
Hrs

Charleston annual weather

Month Temperatures Rainy Days Dry Days Snowy Days Rainfall Weather More details
January 14° / 8° 5 26 0 98 mm
Good
February 16° / 10° 5 23 0 126 mm
Good
March 18° / 12° 6 25 0 139 mm
Good
April 22° / 16° 6 24 0 140 mm
Good
May 25° / 21° 8 23 0 181 mm
Good
June 29° / 24° 12 18 0 243 mm
Ok
July 30° / 26° 13 18 0 283 mm
Ok
August 30° / 26° 16 15 0 380 mm
Ok
September 28° / 24° 9 21 0 265 mm
Good
October 24° / 19° 5 26 0 174 mm
Perfect
November 19° / 13° 4 26 0 100 mm
Good
December 16° / 11° 6 25 0 143 mm
Good
Temperatures in Charleston in August
Rain in Charleston in August

Recommended Hotels in Charleston

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Weather in Charleston in August - FAQ

What is the average temperature in Charleston in August?
The average temperature in Charleston in August is 26/30° C.
What is the chance of rain in Charleston in August?
On average, there are 16 rainy days in Charleston during August.
Weather wise, is August a good time to visit Charleston?
The weather in Charleston in August is ok.
Can it snow in Charleston in August?
On average, there are 0 snowy days in Charleston in August.
More about the weather in Charleston