Charleston Rainfall Forecast

Today 15 May
No Rain
Sat 16 May
35%
Sun 17 May
35%
Mon 18 May
5%
Tue 19 May
15%
Wed 20 May
70%
Thu 21 May
50%

Charleston Rainfall Statistics

May Rainfall

Charleston, Yeager Airport (2.5 miles)

Total Rainfall 2026
11.3in
Daily Average 2026
0.1in
Wettest Day 25 January, 2026
1.8in
Wet Days 2026
51/135 (38%)
Total Rainfall April
2.9in
Daily Average April
0.1in
Wettest Day 29 April, 2026
1.4in
Wet Days April
9/30 (30%)
Total Rainfall May
0.6in
Daily Average May
0.1in
Wettest Day 6 May, 2026
0.6in
Wet Days May
4/15 (27%)

Climate (2010–Present)

Charleston, Yeager Airport (2.5 miles)

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Annual Average 2021–2025
43.8in
Monthly Average 2021–2026
3.6in
Daily Average 2021–2026
0.1in
Wettest Day 15 August, 2022
3.5in

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