Weather on April 25 at Isle Royale
Isle Royale National Park
MIMidwest800 ft elevation
Avg High51°F
Avg Low33°F
Warmest199072°F
Coldest200229°F
Based on 50 years of data from Houghton, MI
Planning Your Visit
April 25th in Isle Royale National Park (via Houghton, MI) typically brings cool spring weather, with average highs around 51°F and lows near 33°F. Over 50 years of records, the warmest April 25th was in 1990 (72°F average), while the coldest was 2002 (29°F) — a 43°F range across recorded history. Precipitation has occurred on 24% of recorded April 25th dates, with snow falling 4% of the time. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for April 25th in Isle Royale? Bring layers as temperatures can vary throughout the day.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2026 | 53°F | 38°F | 0" | -- |
| 2025 | 46°F | 34°F | 0" | -- |
| 2023 | 42°F | 33°F | 0" | -- |
| 2022 | 42°F | 28°F | 0.05" | -- |
| 2021 | 42°F | 25°F | 0" | -- |
| 2020 | 55°F | 29°F | 0" | -- |
| 2019 | 62°F | 41°F | 0" | -- |
| 2018 | 45°F | 30°F | 0" | -- |
| 2017 | 67°F | 36°F | 0" | -- |
| 2016 | 36°F | 33°F | 1.5" | -- |
| 2015 | 44°F | 28°F | 0" | -- |
| 2014 | 36°F | 32°F | 0" | -- |
| 2013 | 39°F | 30°F | 0.08" | -- |
| 2012 | 54°F | 31°F | 0.03" | -- |
| 2011 | 63°F | 42°F | 0" | -- |
| 2010 | 59°F | 43°F | 0" | -- |
| 2009 | 46°F | 30°F | 0" | -- |
| 2008 | 52°F | 44°F | 0.61" | -- |
| 2007 | 52°F | 29°F | 0" | -- |
| 2006 | 50°F | 27°F | 0" | -- |
| 2005 | 47°F | 29°F | 0" | -- |
| 2004 | 38°F | 31°F | 0.15" | -- |
| 2003 | 44°F | 25°F | 0" | -- |
| 2002 | 31°F | 27°F | 0" | -- |
| 2001 | 67°F | 33°F | 0" | 0" |
| 2000 | 66°F | 29°F | 0" | 0" |
| 1999 | 69°F | 34°F | 0" | 0" |
| 1998 | 47°F | 33°F | 0" | 0" |
| 1997 | 60°F | 33°F | 0" | 0" |
| 1996 | 45°F | 30°F | 1.65" | 0.2" |
| 1995 | 48°F | 32°F | 0" | 0" |
| 1994 | 47°F | 33°F | 0.03" | 0" |
| 1993 | 40°F | 27°F | 0" | 0" |
| 1992 | 39°F | 33°F | 0" | 0" |
| 1991 | 73°F | 36°F | 0" | 0" |
| 1990 | 88°F | 56°F | 0" | 0" |
| 1989 | 55°F | 34°F | 0.05" | 0" |
| 1988 | 48°F | 35°F | 0.1" | 0" |
| 1982 | 61°F | 38°F | 0" | 0" |
| 1981 | 45°F | 31°F | 0" | 0" |
| 1980 | 43°F | 34°F | 0" | 0" |
| 1979 | 63°F | 37°F | 0.23" | 0" |
| 1978 | 52°F | 35°F | 0" | 0" |
| 1977 | 54°F | 36°F | 0" | 0" |
| 1976 | 43°F | 31°F | 0" | 0" |
| 1975 | 48°F | 31°F | 0" | 0" |
| 1974 | 59°F | 40°F | 0.28" | 0" |
| 1973 | 58°F | 31°F | 0" | 0" |
| 1972 | 48°F | 23°F | 0" | 0" |
| 1971 | 40°F | 31°F | 0" | 0.1" |
April 25 at Nearby Parks
Holiday Weather at Isle Royale
Official NPS WebsiteVisit nps.gov/isro for park information, alerts, and reservations
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