Weather on April 7 at Isle Royale
Isle Royale National Park
Based on 50 years of data from Houghton, MI
Planning Your Visit
April 7th in Isle Royale National Park (via Houghton, MI) typically brings chilly spring weather, with average highs around 41°F and lows near 25°F. Over 50 years of records, the warmest April 7th was in 1991 (54°F average), while the coldest was 1972 (15°F) — a 39°F range across recorded history. Precipitation has occurred on 32% of recorded April 7th dates, with snow falling 12% of the time (heaviest snowfall: 1.5"). The last decade has been 3.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.3°F cooler on this date compared to 20-30 years ago.
Planning for April 7th in Isle Royale? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2026 | 38°F | 1°F | -- | -- |
| 2025 | 31°F | 20°F | 0" | -- |
| 2023 | 37°F | 13°F | 0" | -- |
| 2022 | 36°F | 31°F | 0.05" | -- |
| 2021 | 52°F | 39°F | 0.33" | -- |
| 2020 | 44°F | 36°F | 0.13" | -- |
| 2019 | 45°F | 36°F | 2.34" | -- |
| 2018 | 25°F | 17°F | 0" | -- |
| 2017 | 49°F | 27°F | 0" | -- |
| 2016 | 33°F | 24°F | 0" | -- |
| 2015 | 36°F | 25°F | 0" | -- |
| 2014 | 47°F | 28°F | 0" | -- |
| 2013 | 39°F | 29°F | 0.08" | -- |
| 2012 | 63°F | 29°F | 0.1" | -- |
| 2011 | 51°F | 22°F | 0" | -- |
| 2010 | 44°F | 30°F | 0" | -- |
| 2009 | 36°F | 25°F | 0" | -- |
| 2008 | 41°F | 30°F | 0.48" | -- |
| 2007 | 25°F | 16°F | 0" | -- |
| 2006 | 39°F | 23°F | 0" | -- |
| 2005 | 54°F | 31°F | 0" | -- |
| 2004 | 53°F | 34°F | 0.56" | -- |
| 2003 | 28°F | 16°F | 0" | -- |
| 2002 | 46°F | 32°F | 0" | -- |
| 2001 | 48°F | 32°F | 0.94" | 0" |
| 2000 | 36°F | 24°F | 0" | 0" |
| 1999 | 50°F | 34°F | 0" | 0" |
| 1998 | 51°F | 38°F | 0" | 0" |
| 1997 | 38°F | 14°F | 0.25" | 1" |
| 1996 | 34°F | 11°F | 0" | 0" |
| 1995 | 44°F | 15°F | 0" | 0" |
| 1994 | 50°F | 18°F | 0" | 0" |
| 1993 | 47°F | 29°F | 0" | 0" |
| 1992 | 39°F | 29°F | 0.51" | 1" |
| 1991 | 64°F | 45°F | 0" | 0" |
| 1990 | 35°F | 18°F | 0" | 0" |
| 1989 | 40°F | 23°F | 0" | 0" |
| 1988 | 53°F | 34°F | 0" | 0" |
| 1982 | 32°F | 10°F | 0" | 0" |
| 1981 | 58°F | 43°F | 0" | 0" |
| 1980 | 51°F | 38°F | 0.43" | 0" |
| 1979 | 28°F | 10°F | 0.05" | 0.4" |
| 1978 | 42°F | 25°F | 0" | 0" |
| 1977 | 30°F | 15°F | 0.2" | 1" |
| 1976 | 38°F | 27°F | 0" | 0" |
| 1975 | 35°F | 16°F | 0" | 0" |
| 1974 | 24°F | 13°F | 0.05" | 1.5" |
| 1973 | 34°F | 28°F | 0" | 0" |
| 1972 | 22°F | 9°F | 0.13" | 0.6" |
| 1971 | 42°F | 29°F | 0" | 0" |