Sullivan Island State Marine Park Rainfall Forecast

Today 17 Apr
100%
Sat 18 Apr
100%
Sun 19 Apr
80%
Mon 20 Apr
100%
Tue 21 Apr
75%
Wed 22 Apr
75%
Thu 23 Apr
50%

Sullivan Island State Marine Park Rainfall Statistics

April Rainfall

Haines - Haines Airport (20.5 miles)

Total Rainfall 2026
14.8in
Daily Average 2026
0.1in
Wettest Day 13 January, 2026
1.7in
Wet Days 2026
43/107 (40%)
Total Rainfall March
1.8in
Daily Average March
0.1in
Wettest Day 6 March, 2026
1in
Wet Days March
8/31 (26%)
Total Rainfall April
1.3in
Daily Average April
0.1in
Wettest Day 5 April, 2026
0.5in
Wet Days April
6/17 (35%)

Climate (2010–Present)

Haines - Haines Airport (20.5 miles)

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Annual Average 2021–2025
49.2in
Monthly Average 2021–2026
4.7in
Daily Average 2021–2026
0.2in
Wettest Day 14 September, 2023
3.1in

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