Sullivan's Island Rainfall Forecast

Today 19 Mar
No Rain
Fri 20 Mar
No Rain
Sat 21 Mar
No Rain
Sun 22 Mar
5%
Mon 23 Mar
10%
Tue 24 Mar
30%
Wed 25 Mar
20%

Sullivan's Island Rainfall Statistics

March Rainfall

Mount Pleasant Regional-Faison Field (9.3 miles)

Total Rainfall 2026
4.7in
Daily Average 2026
0.1in
Wettest Day 3 January, 2026
1.2in
Wet Days 2026
16/78 (21%)
Total Rainfall February
2.4in
Daily Average February
0.1in
Wettest Day 15 February, 2026
0.6in
Wet Days February
9/28 (32%)
Total Rainfall March
0.3in
Daily Average March
0.02in
Wettest Day 16 March, 2026
0.3in
Wet Days March
1/19 (5%)

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
2in
Daily Average 2021–2026
0.1in
Wettest Day 17 December, 2023
5.7in

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