Port Royal Sound Rainfall Forecast

Today 21 May
5%
Fri 22 May
10%
Sat 23 May
25%
Sun 24 May
35%
Mon 25 May
15%
Tue 26 May
15%
Wed 27 May
30%

Port Royal Sound Rainfall Statistics

May Rainfall

Hilton Head Island, Hilton Head Airport (3.1 miles)

Total Rainfall 2026
3.6in
Daily Average 2026
0.03in
Wettest Day 25 January, 2026
0.5in
Wet Days 2026
95/141 (67%)
Total Rainfall April
0.5in
Daily Average April
0.02in
Wettest Day 8 April, 2026
0.1in
Wet Days April
20/30 (67%)
Total Rainfall May
0.4in
Daily Average May
0.02in
Wettest Day 8 May, 2026
0.1in
Wet Days May
14/21 (67%)

Climate (2010–Present)

Hilton Head Island, Hilton Head Airport (3.1 miles)

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Annual Average 2021–2025
4.6in
Monthly Average 2021–2026
0.4in
Daily Average 2021–2026
0.02in
Wettest Day 11 May, 2025
2.8in

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