Charleston Rainfall Forecast

Today 12 Aug
10%
Thu 13 Aug
55%
Fri 14 Aug
40%
Sat 15 Aug
10%
Sun 16 Aug
10%
Mon 17 Aug
45%
Tue 18 Aug
20%

Charleston Rainfall Statistics

August Rainfall

Bangor, Bangor International Airport (22.4 miles)

Total Rainfall 2026
15.9in
Daily Average 2026
0.1in
Wettest Day 25 May, 2026
1.3in
Wet Days 2026
89/224 (40%)
Total Rainfall July
1.2in
Daily Average July
0.04in
Wettest Day 9 July, 2026
0.4in
Wet Days July
9/31 (29%)
Total Rainfall August
0.9in
Daily Average August
0.1in
Wettest Day 3 August, 2026
0.6in
Wet Days August
3/12 (25%)

Climate (2021–2025)

Bangor, Bangor International Airport (22.4 miles)

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Annual Average 2021–2025
43.1in
Monthly Average 2021–2026
3.5in
Daily Average 2021–2026
0.1in
Wettest Day 8 August, 2023
3.6in

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