Weather on May 28 at Isle Royale
Isle Royale National Park
Based on 50 years of data from Houghton, MI
Planning Your Visit
May 28th in Isle Royale National Park (via Houghton, MI) typically brings mild spring weather, with average highs around 69°F and lows near 46°F. Over 50 years of records, the warmest May 28th was in 1998 (70°F average), while the coldest was 2021 (42°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 26% of May 28th dates historically, with the wettest May 28th recording 2.51" of rain. 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 May 28th in Isle Royale? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 72°F | 43°F | 0" | -- |
| 2024 | 63°F | 50°F | 0" | -- |
| 2023 | 80°F | 44°F | 0" | -- |
| 2022 | 61°F | 46°F | 0.56" | -- |
| 2021 | 53°F | 31°F | 0" | -- |
| 2020 | 68°F | 50°F | 0" | -- |
| 2019 | 63°F | 42°F | 0" | -- |
| 2018 | 83°F | 56°F | 0" | -- |
| 2017 | 68°F | 49°F | 0.51" | -- |
| 2016 | 69°F | 51°F | 2.01" | -- |
| 2015 | 59°F | 43°F | 0.48" | -- |
| 2014 | 65°F | 46°F | 0" | -- |
| 2013 | 56°F | 46°F | 0" | -- |
| 2012 | 69°F | 53°F | 0.03" | -- |
| 2011 | 66°F | 42°F | 0.03" | -- |
| 2010 | 72°F | 47°F | 0" | -- |
| 2009 | 67°F | 44°F | 0" | -- |
| 2008 | 67°F | 30°F | 0" | -- |
| 2007 | 67°F | 38°F | 0" | -- |
| 2006 | 82°F | 56°F | 0" | -- |
| 2005 | 60°F | 36°F | 0" | -- |
| 2004 | 57°F | 30°F | 0" | -- |
| 2003 | 77°F | 49°F | 0.69" | 0" |
| 2002 | 75°F | 44°F | 0" | 0" |
| 2001 | 65°F | 41°F | 0" | 0" |
| 2000 | 60°F | 44°F | 0" | 0" |
| 1999 | 81°F | 48°F | 0" | 0" |
| 1998 | 83°F | 58°F | 0.66" | 0" |
| 1997 | 66°F | 42°F | 0" | 0" |
| 1996 | 64°F | 43°F | 0" | 0" |
| 1995 | 64°F | 43°F | 2.51" | 0" |
| 1994 | 74°F | 53°F | 0" | 0" |
| 1993 | 53°F | 37°F | 0" | 0" |
| 1992 | 69°F | 41°F | 0" | 0" |
| 1991 | 76°F | 54°F | 0" | 0" |
| 1990 | 58°F | 45°F | 0" | 0" |
| 1989 | 75°F | 44°F | 0" | 0" |
| 1988 | 75°F | 51°F | 0" | 0" |
| 1982 | 72°F | 51°F | 0" | 0" |
| 1981 | 67°F | 43°F | 0.03" | 0" |
| 1980 | 69°F | 44°F | 0" | 0" |
| 1979 | 68°F | 42°F | 0" | 0" |
| 1978 | 68°F | 56°F | 0.03" | 0" |
| 1977 | 80°F | 47°F | 0" | 0" |
| 1976 | 79°F | 49°F | 0" | 0" |
| 1975 | 72°F | 48°F | 0" | 0" |
| 1974 | 62°F | 47°F | 0.25" | 0" |
| 1973 | 58°F | 49°F | 0" | 0" |
| 1972 | 84°F | 50°F | 0.03" | 0" |
| 1971 | 73°F | 39°F | 0" | 0" |