Johns Island Rainfall Forecast

Today 27 May
55%
Wed 28 May
50%
Thu 29 May
60%
Fri 30 May
70%
Sat 31 May
55%
Sun 1 Jun
10%
Mon 2 Jun
15%

Johns Island Rainfall Statistics

May Rainfall

Charleston Executive Airport (1.2 miles)

Total Rainfall 2025
9.2in
Daily Average 2025
0.1in
Wettest Day 11 May, 2025
2.1in
Wet Days 2025
29/147 (20%)
Total Rainfall April
0.4in
Daily Average April
0.01in
Wettest Day 7 April, 2025
0.4in
Wet Days April
2/30 (7%)
Total Rainfall May
4in
Daily Average May
0.2in
Wettest Day 11 May, 2025
2.1in
Wet Days May
9/27 (33%)

Climate (2010–Present)

Charleston Executive Airport (1.2 miles)

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Annual Average 2020–2024
26.3in
Monthly Average 2020–2025
2in
Daily Average 2020–2025
0.1in
Wettest Day 17 December, 2023
4.5in

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