Weather on May 10 at Isle Royale
Isle Royale National Park
MIMidwest800 ft elevation
Avg High59°F
Avg Low37°F
Warmest199266°F
Coldest199032°F
Based on 51 years of data from Houghton, MI
Planning Your Visit
May 10th in Isle Royale National Park (via Houghton, MI) typically brings cool spring weather, with average highs around 59°F and lows near 37°F. Over 51 years of records, the warmest May 10th was in 1992 (66°F average), while the coldest was 1990 (32°F) — a 34°F range across recorded history. Precipitation has occurred on 25% of recorded May 10th dates, with snow falling 2% of the time (heaviest snowfall: 3.3"). The last decade has been 2.6°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.6°F cooler on this date compared to 20-30 years ago.
Planning for May 10th in Isle Royale? Bring layers as temperatures can vary throughout the day.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2026 | 47°F | 32°F | 0" | -- |
| 2025 | 56°F | 39°F | 0" | -- |
| 2024 | 62°F | 32°F | 0" | -- |
| 2023 | 73°F | 43°F | 0" | -- |
| 2022 | 81°F | 51°F | 0" | -- |
| 2021 | 45°F | 29°F | 0" | -- |
| 2020 | 39°F | 30°F | 0" | -- |
| 2019 | 51°F | 34°F | 0" | -- |
| 2018 | 47°F | 29°F | 0" | -- |
| 2017 | 64°F | 38°F | 0" | -- |
| 2016 | 59°F | 39°F | 0" | -- |
| 2015 | 48°F | 37°F | 0" | -- |
| 2014 | 64°F | 38°F | 0.08" | -- |
| 2013 | 43°F | 31°F | 0" | -- |
| 2012 | 68°F | 38°F | 0" | -- |
| 2011 | 57°F | 44°F | 1.37" | -- |
| 2010 | 57°F | 31°F | 0" | -- |
| 2009 | 50°F | 30°F | 0" | -- |
| 2008 | 57°F | 32°F | 0" | -- |
| 2007 | 83°F | 49°F | 0" | -- |
| 2006 | 55°F | 37°F | 0.03" | -- |
| 2005 | 58°F | 43°F | 1.12" | -- |
| 2004 | 61°F | 38°F | 0" | -- |
| 2003 | 56°F | 39°F | 0.13" | 0" |
| 2002 | 47°F | 31°F | 0.05" | 0" |
| 2001 | 69°F | 49°F | 0.94" | 0" |
| 2000 | 65°F | 35°F | 0" | 0" |
| 1999 | 57°F | 42°F | 0" | 0" |
| 1998 | 69°F | 36°F | 0" | 0" |
| 1997 | 62°F | 32°F | 0" | 0" |
| 1996 | 62°F | 30°F | 0.53" | 0" |
| 1995 | 57°F | 41°F | 0" | 0" |
| 1994 | 63°F | 36°F | 0" | 0" |
| 1993 | 63°F | 49°F | 0" | 0" |
| 1992 | 84°F | 48°F | 0" | 0" |
| 1991 | 77°F | 43°F | 0" | 0" |
| 1990 | 36°F | 29°F | 0.81" | 3.3" |
| 1989 | 58°F | 37°F | 0" | 0" |
| 1988 | 51°F | 36°F | 0" | 0" |
| 1982 | 55°F | 41°F | 1.52" | 0" |
| 1981 | 44°F | 22°F | 0" | 0" |
| 1980 | 53°F | 37°F | 0.64" | 0" |
| 1979 | 60°F | 38°F | 0.97" | 0" |
| 1978 | 67°F | 38°F | 0" | 0" |
| 1977 | 63°F | 31°F | 0" | 0" |
| 1976 | 65°F | 38°F | 0" | 0" |
| 1975 | 73°F | 46°F | 0" | 0" |
| 1974 | 60°F | 40°F | 0" | 0" |
| 1973 | 48°F | 39°F | 1.75" | 0" |
| 1972 | 68°F | 35°F | 0" | 0" |
| 1971 | 71°F | 38°F | 0" | 0" |
May 10 at Nearby Parks
Holiday Weather at Isle Royale
Official NPS WebsiteVisit nps.gov/isro for park information, alerts, and reservations
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