Sullivan's Island Rainfall Forecast

Today 18 Apr
No Rain
Sun 19 Apr
25%
Mon 20 Apr
20%
Tue 21 Apr
No Rain
Wed 22 Apr
No Rain
Thu 23 Apr
No Rain
Fri 24 Apr
5%

Sullivan's Island Rainfall Statistics

April Rainfall

Mount Pleasant Regional-Faison Field (9.3 miles)

Total Rainfall 2026
4.9in
Daily Average 2026
0.05in
Wettest Day 3 January, 2026
1.2in
Wet Days 2026
20/108 (19%)
Total Rainfall March
0.4in
Daily Average March
0.01in
Wettest Day 16 March, 2026
0.3in
Wet Days March
2/31 (6%)
Total Rainfall April
0.04in
Daily Average April
0in
Wettest Day 5 April, 2026
0.02in
Wet Days April
3/18 (17%)

Climate (2010–Present)

Mount Pleasant Regional-Faison Field (9.3 miles)

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Annual Average 2021–2025
23.8in
Monthly Average 2021–2026
1.9in
Daily Average 2021–2026
0.1in
Wettest Day 17 December, 2023
5.7in

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