Perry Island (South Bay) Rainfall Forecast

Today 11 May
90%
Tue 12 May
100%
Wed 13 May
95%
Thu 14 May
90%
Fri 15 May
65%
Sat 16 May
70%
Sun 17 May
70%

Perry Island (South Bay) Rainfall Statistics

May Rainfall

Portage, Portage Glacier (31.1 miles)

Total Rainfall 2026
50.6in
Daily Average 2026
0.4in
Wettest Day 15 January, 2026
4.9in
Wet Days 2026
61/131 (47%)
Total Rainfall April
9.4in
Daily Average April
0.3in
Wettest Day 24 April, 2026
2.7in
Wet Days April
18/30 (60%)
Total Rainfall May
9.6in
Daily Average May
1.1in
Wettest Day 1 May, 2026
3.6in
Wet Days May
9/11 (82%)

Climate (2010–Present)

Portage, Portage Glacier (31.1 miles)

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Annual Average 2021–2025
122.3in
Monthly Average 2021–2026
10.8in
Daily Average 2021–2026
0.4in
Wettest Day 30 October, 2021
10.3in

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