Johns Island Rainfall Forecast

Today 7 Jan
5%
Thu 8 Jan
No Rain
Fri 9 Jan
10%
Sat 10 Jan
10%
Sun 11 Jan
30%
Mon 12 Jan
5%
Tue 13 Jan
10%

Johns Island Rainfall Statistics

January Rainfall

Charleston Executive Airport (1.2 miles)

Total Rainfall 2026
0.5in
Daily Average 2026
0.1in
Wettest Day 3 January, 2026
0.5in
Wet Days 2026
1/7 (14%)
Total Rainfall December
2.5in
Daily Average December
0.1in
Wettest Day 5 December, 2025
0.9in
Wet Days December
7/31 (23%)
Total Rainfall January
0.5in
Daily Average January
0.1in
Wettest Day 3 January, 2026
0.5in
Wet Days January
1/7 (14%)

Climate (2010–Present)

Charleston Executive Airport (1.2 miles)

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Annual Average 2021–2025
27.5in
Monthly Average 2021–2025
2.3in
Daily Average 2021–2026
0.1in
Wettest Day 23 August, 2025
6.6in

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