Isle Royale National Park Rainfall Forecast

Today 6 Nov
35%
Fri 7 Nov
80%
Sat 8 Nov
10%
Sun 9 Nov
35%
Mon 10 Nov
20%
Tue 11 Nov
25%
Wed 12 Nov
10%

Isle Royale National Park Rainfall Statistics

November Rainfall

Copper Harbor (60.3 miles)

Total Rainfall 2025
22.6in
Daily Average 2025
0.1in
Wettest Day 21 October, 2025
1.7in
Wet Days 2025
115/310 (37%)
Total Rainfall October
2.4in
Daily Average October
0.1in
Wettest Day 21 October, 2025
1.7in
Wet Days October
9/31 (29%)
Total Rainfall November
0.04in
Daily Average November
0.01in
Wettest Day 1 November, 2025
0.02in
Wet Days November
2/6 (33%)

Climate (2010–Present)

Copper Harbor (60.3 miles)

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Annual Average 2020–2024
26.8in
Monthly Average 2020–2025
2.3in
Daily Average 2020–2025
0.1in
Wettest Day 23 July, 2021
2.7in

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