Isle Royale National Park Rainfall Forecast

Today 25 Jun
10%
Thu 26 Jun
30%
Fri 27 Jun
50%
Sat 28 Jun
15%
Sun 29 Jun
40%
Mon 30 Jun
30%
Tue 1 Jul
15%

Isle Royale National Park Rainfall Statistics

June Rainfall

Copper Harbor (60.3 miles)

Total Rainfall 2025
10.6in
Daily Average 2025
0.1in
Wettest Day 21 April, 2025
0.8in
Wet Days 2025
73/176 (41%)
Total Rainfall May
1in
Daily Average May
0.03in
Wettest Day 15 May, 2025
0.5in
Wet Days May
7/31 (23%)
Total Rainfall June
0.9in
Daily Average June
0.1in
Wettest Day 3 June, 2025
0.4in
Wet Days June
5/25 (20%)

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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