Weather on May 2 at Isle Royale
Isle Royale National Park
Based on 50 years of data from Houghton, MI
Planning Your Visit
May 2nd in Isle Royale National Park (via Houghton, MI) typically brings cool spring weather, with average highs around 53°F and lows near 36°F. Over 50 years of records, the warmest May 2nd was in 2001 (64°F average), while the coldest was 2011 (31°F) — a 33°F range across recorded history. Precipitation has occurred on 38% of recorded May 2nd dates, with snow falling 2% of the time (heaviest snowfall: 6.4"). The last decade has been 2.4°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.4°F cooler on this date compared to 20-30 years ago.
Planning for May 2nd 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 |
|---|---|---|---|---|
| 2025 | 40°F | 32°F | 0.18" | -- |
| 2024 | 49°F | 34°F | 0.53" | -- |
| 2023 | 39°F | 33°F | 0.41" | -- |
| 2022 | 44°F | 37°F | 0" | -- |
| 2021 | 56°F | 45°F | 0" | -- |
| 2020 | 67°F | 45°F | 0.13" | -- |
| 2019 | 44°F | 30°F | 0" | -- |
| 2018 | 50°F | 34°F | 0" | -- |
| 2017 | 48°F | 33°F | 0.03" | -- |
| 2016 | 60°F | 30°F | 0" | -- |
| 2015 | 71°F | 45°F | 0" | -- |
| 2014 | 50°F | 36°F | 0.08" | -- |
| 2013 | 34°F | 29°F | 0.36" | -- |
| 2012 | 70°F | 51°F | 0.61" | -- |
| 2011 | 36°F | 27°F | 0" | -- |
| 2010 | 68°F | 44°F | 0" | -- |
| 2009 | 49°F | 34°F | 0.25" | -- |
| 2008 | 43°F | 37°F | 3.71" | -- |
| 2007 | 51°F | 33°F | 0" | -- |
| 2006 | 58°F | 46°F | 0.43" | -- |
| 2005 | 36°F | 28°F | 0.15" | -- |
| 2004 | 40°F | 28°F | 0" | -- |
| 2003 | 47°F | 30°F | 0" | 0" |
| 2002 | 38°F | 31°F | 0" | -- |
| 2001 | 73°F | 55°F | 0.08" | 0" |
| 2000 | 59°F | 37°F | 0" | 0" |
| 1999 | 78°F | 45°F | 0" | 0" |
| 1998 | 66°F | 43°F | 0" | 0" |
| 1997 | 59°F | 29°F | 0" | 0" |
| 1996 | 50°F | 30°F | 0" | 0" |
| 1995 | 58°F | 35°F | 0" | 0" |
| 1994 | 60°F | 30°F | 0" | 0" |
| 1993 | 45°F | 37°F | 1.8" | 0" |
| 1992 | 57°F | 38°F | 0.41" | 0" |
| 1991 | 41°F | 33°F | 0" | 0" |
| 1990 | 55°F | 31°F | 0" | 0" |
| 1989 | 52°F | 35°F | 0" | 0" |
| 1988 | 73°F | 40°F | 0" | 0" |
| 1982 | 63°F | 46°F | 0" | 0" |
| 1981 | 57°F | 35°F | 0.13" | 0" |
| 1980 | 74°F | 47°F | 0" | 0" |
| 1979 | 41°F | 35°F | 0" | 0" |
| 1978 | 55°F | 30°F | 0" | 0" |
| 1977 | 57°F | 34°F | 0" | 0" |
| 1976 | 40°F | 31°F | 0" | 0" |
| 1975 | 54°F | 38°F | 0" | 0" |
| 1974 | 78°F | 45°F | 0.86" | 0" |
| 1973 | 35°F | 31°F | 2.24" | 6.4" |
| 1972 | 40°F | 34°F | 0.41" | 0" |
| 1971 | 44°F | 30°F | 0" | 0" |