James Island Rainfall Forecast

Today 5 Dec
95%
Sat 6 Dec
90%
Sun 7 Dec
40%
Mon 8 Dec
25%
Tue 9 Dec
No Rain
Wed 10 Dec
5%
Thu 11 Dec
10%

James Island Rainfall Statistics

December Rainfall

Charleston Executive Airport (4.3 miles)

Total Rainfall 2025
39.6in
Daily Average 2025
0.1in
Wettest Day 23 August, 2025
6.6in
Wet Days 2025
88/339 (26%)
Total Rainfall November
0.2in
Daily Average November
0.01in
Wettest Day 25 November, 2025
0.1in
Wet Days November
3/30 (10%)
Total Rainfall December
0.9in
Daily Average December
0.3in
Wettest Day 2 December, 2025
0.9in
Wet Days December
1/5 (20%)

Climate (2010–Present)

Charleston Executive Airport (4.3 miles)

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Annual Average 2020–2024
26.3in
Monthly Average 2020–2025
2.3in
Daily Average 2020–2025
0.1in
Wettest Day 23 August, 2025
6.6in

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