Weather on July 4 at Isle Royale
Isle Royale National Park
Based on 50 years of data from Houghton, MI
Planning Your Visit
July 4th in Isle Royale National Park (via Houghton, MI) typically brings pleasant summer weather, with average highs around 77°F and lows near 55°F. Over 50 years of records, the warmest July 4th was in 2021 (80°F average), while the coldest was 1992 (53°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 32% of July 4th dates historically, with the wettest July 4th recording 2.95" of rain. The last decade has been 4.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.7°F warmer on this date compared to 20-30 years ago.
Planning for July 4th in Isle Royale? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 84°F | 58°F | 0" | -- |
| 2024 | 73°F | 55°F | 0" | -- |
| 2023 | 86°F | 60°F | 1.14" | -- |
| 2022 | 67°F | 56°F | 2.13" | -- |
| 2021 | 90°F | 70°F | 0" | -- |
| 2020 | 91°F | 59°F | 0" | -- |
| 2019 | 87°F | 56°F | 0.25" | -- |
| 2018 | 89°F | 63°F | 0.23" | -- |
| 2017 | 78°F | 53°F | 0" | -- |
| 2016 | 79°F | 52°F | 0" | -- |
| 2015 | 71°F | 51°F | 0" | -- |
| 2014 | 77°F | 50°F | 0" | -- |
| 2013 | 81°F | 52°F | 0" | -- |
| 2012 | 76°F | 62°F | 0.13" | -- |
| 2011 | 82°F | 53°F | 0" | -- |
| 2010 | 87°F | 67°F | 0.2" | -- |
| 2009 | 72°F | 50°F | 0" | -- |
| 2008 | 73°F | 52°F | 0" | -- |
| 2007 | 78°F | 54°F | 0.1" | -- |
| 2006 | 67°F | 47°F | 0" | -- |
| 2005 | 76°F | 54°F | 0" | -- |
| 2004 | 66°F | 46°F | 2.95" | -- |
| 2003 | 80°F | 61°F | 0" | 0" |
| 2002 | 83°F | 58°F | 0" | 0" |
| 2001 | 77°F | 55°F | 0.58" | 0" |
| 2000 | 77°F | 48°F | 0" | 0" |
| 1999 | 90°F | 67°F | 0.08" | 0" |
| 1998 | 72°F | 52°F | 0" | 0" |
| 1997 | 71°F | 47°F | 0" | 0" |
| 1996 | 83°F | 50°F | 0" | 0" |
| 1995 | 82°F | 59°F | 0" | 0" |
| 1994 | 71°F | 50°F | 0" | 0" |
| 1993 | 82°F | 56°F | 0" | 0" |
| 1992 | 56°F | 51°F | 0.13" | 0" |
| 1991 | 70°F | 57°F | 0" | 0" |
| 1990 | 76°F | 55°F | 0" | 0" |
| 1989 | 80°F | 63°F | 0" | 0" |
| 1988 | 95°F | 62°F | 0" | 0" |
| 1983 | 66°F | 45°F | 0.13" | 0" |
| 1981 | 78°F | 58°F | 0" | 0" |
| 1980 | 80°F | 60°F | 0.84" | 0" |
| 1979 | 70°F | 50°F | 0" | 0" |
| 1978 | 76°F | 60°F | 0" | 0" |
| 1977 | 83°F | 61°F | 0.08" | 0" |
| 1976 | 82°F | 57°F | 0" | 0" |
| 1975 | 83°F | 59°F | 0" | 0" |
| 1974 | 61°F | 52°F | 0.25" | 0" |
| 1973 | 64°F | 55°F | 0" | 0" |
| 1972 | 70°F | 39°F | 0" | 0" |
| 1971 | 76°F | 63°F | 0.05" | 0" |