Weather on August 2 at Isle Royale
Isle Royale National Park
Based on 50 years of data from Houghton, MI
Planning Your Visit
August 2nd in Isle Royale National Park (via Houghton, MI) typically brings pleasant summer weather, with average highs around 76°F and lows near 57°F. Over 50 years of records, the warmest August 2nd was in 1989 (80°F average), while the coldest was 1971 (54°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 30% of August 2nd dates historically, with the wettest August 2nd recording 1.98" of rain. The last decade has been 4.1°F cooler on this date compared to 20-30 years ago.
The last decade has been 4.1°F cooler on this date compared to 20-30 years ago.
Planning for August 2nd 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 | 78°F | 58°F | 0" | -- |
| 2024 | 85°F | 62°F | 0" | -- |
| 2023 | 80°F | 59°F | 0.03" | -- |
| 2022 | 78°F | 48°F | 1.98" | -- |
| 2021 | 81°F | 52°F | 0" | -- |
| 2020 | 65°F | 51°F | 1.47" | -- |
| 2019 | 82°F | 59°F | 0" | -- |
| 2018 | 62°F | 47°F | 0" | -- |
| 2017 | 67°F | 46°F | 0" | -- |
| 2016 | 80°F | 63°F | 0.05" | -- |
| 2015 | 72°F | 58°F | 0.03" | -- |
| 2014 | 80°F | 48°F | 0" | -- |
| 2013 | 68°F | 54°F | 0" | -- |
| 2012 | 77°F | 58°F | 0" | -- |
| 2011 | 78°F | 66°F | 0.46" | -- |
| 2010 | 80°F | 65°F | 0.43" | -- |
| 2009 | 69°F | 53°F | 0" | -- |
| 2008 | 77°F | 53°F | 0" | -- |
| 2007 | 78°F | 61°F | 0" | -- |
| 2006 | 76°F | 61°F | 0" | -- |
| 2005 | 87°F | 59°F | 0.05" | -- |
| 2004 | 77°F | 53°F | 0" | -- |
| 2003 | 68°F | 58°F | 0" | 0" |
| 2002 | 72°F | 57°F | 0" | 0" |
| 2001 | 83°F | 64°F | 0" | 0" |
| 2000 | 88°F | 65°F | 0.36" | 0" |
| 1999 | 76°F | 55°F | 0" | 0" |
| 1998 | -- | 61°F | 0" | 0" |
| 1997 | 87°F | 64°F | 0" | 0" |
| 1996 | 82°F | 52°F | 0" | 0" |
| 1995 | 79°F | 55°F | 0" | 0" |
| 1994 | 72°F | 52°F | 0" | 0" |
| 1993 | 68°F | 57°F | 0" | 0" |
| 1992 | 68°F | 53°F | 0" | 0" |
| 1991 | 70°F | 54°F | 0" | 0" |
| 1990 | 83°F | 63°F | 0" | 0" |
| 1989 | 87°F | 73°F | 0" | 0" |
| 1988 | 85°F | 64°F | 0.53" | 0" |
| 1983 | 89°F | 66°F | 0.05" | 0" |
| 1981 | 77°F | 62°F | 0" | 0" |
| 1980 | 73°F | 61°F | 0" | 0" |
| 1979 | 83°F | 52°F | 0" | 0" |
| 1978 | 71°F | 55°F | 0.58" | 0" |
| 1977 | 71°F | 46°F | 0" | 0" |
| 1976 | 78°F | 49°F | 0" | 0" |
| 1975 | 77°F | 63°F | 0.91" | 0" |
| 1974 | 60°F | 54°F | 1.4" | 0" |
| 1973 | 71°F | 49°F | 0" | 0" |
| 1972 | 65°F | 51°F | 1.96" | 0" |
| 1971 | 62°F | 46°F | 0" | 0" |