Sullivan's Island Rainfall Forecast

Today 9 Aug
35%
Mon 10 Aug
30%
Tue 11 Aug
15%
Wed 12 Aug
15%
Thu 13 Aug
5%
Fri 14 Aug
15%
Sat 15 Aug
35%

Sullivan's Island Rainfall Statistics

August Rainfall

Mount Pleasant Regional-Faison Field (9.3 miles)

Total Rainfall 2026
23.8in
Daily Average 2026
0.1in
Wettest Day 10 July, 2026
2.7in
Wet Days 2026
61/221 (28%)
Total Rainfall July
10.8in
Daily Average July
0.3in
Wettest Day 10 July, 2026
2.7in
Wet Days July
11/31 (35%)
Total Rainfall August
2.5in
Daily Average August
0.4in
Wettest Day 3 August, 2026
1.1in
Wet Days August
6/9 (67%)

Climate (2021–2025)

Mount Pleasant Regional-Faison Field (9.3 miles)

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Annual Average 2021–2025
23.8in
Monthly Average 2021–2026
2.1in
Daily Average 2021–2026
0.1in
Wettest Day 17 December, 2023
5.7in

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