Charleston Rainfall Forecast

Today 13 Aug
60%
Fri 14 Aug
60%
Sat 15 Aug
65%
Sun 16 Aug
15%
Mon 17 Aug
75%
Tue 18 Aug
40%
Wed 19 Aug
10%

Charleston Rainfall Statistics

August Rainfall

Charleston, Yeager Airport (2.5 miles)

Total Rainfall 2026
29.2in
Daily Average 2026
0.1in
Wettest Day 11 August, 2026
3.2in
Wet Days 2026
87/225 (39%)
Total Rainfall July
4.5in
Daily Average July
0.1in
Wettest Day 18 July, 2026
0.9in
Wet Days July
9/31 (29%)
Total Rainfall August
6.2in
Daily Average August
0.6in
Wettest Day 11 August, 2026
3.2in
Wet Days August
6/13 (46%)

Climate (2021–2025)

Charleston, Yeager Airport (2.5 miles)

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Annual Average 2021–2025
43.8in
Monthly Average 2021–2026
3.7in
Daily Average 2021–2026
0.1in
Wettest Day 15 August, 2022
3.5in

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