Weather on July 13 at Isle Royale
Isle Royale National Park
MIMidwest800 ft elevation
Avg High77°F
Avg Low57°F
Warmest202685°F
Coldest201753°F
Based on 51 years of data from Houghton, MI
Planning Your Visit
July 13th in Isle Royale National Park (via Houghton, MI) typically brings pleasant summer weather, with average highs around 77°F and lows near 57°F. Over 51 years of records, the warmest July 13th was in 2026 (85°F average), while the coldest was 2017 (53°F) — a 32°F range across recorded history. Rain or other precipitation has occurred on about 27% of July 13th dates historically, with the wettest July 13th recording 0.89" of rain. The last decade has been 1.7°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.7°F cooler on this date compared to 20-30 years ago.
Planning for July 13th in Isle Royale? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2026 | 93°F | 77°F | 0" | -- |
| 2025 | 83°F | 63°F | 0" | -- |
| 2024 | 88°F | 66°F | 0" | -- |
| 2023 | 75°F | 50°F | 0" | -- |
| 2022 | 73°F | 47°F | 0" | -- |
| 2021 | 83°F | 53°F | 0.31" | -- |
| 2020 | 80°F | 54°F | 0" | -- |
| 2019 | 76°F | 57°F | 0" | -- |
| 2018 | 80°F | 67°F | 0" | -- |
| 2017 | 55°F | 50°F | 0.14" | -- |
| 2016 | 85°F | 66°F | 0" | -- |
| 2015 | 68°F | 63°F | 0.51" | -- |
| 2014 | 69°F | 53°F | 0" | -- |
| 2013 | 83°F | 68°F | 0.03" | -- |
| 2012 | 87°F | 62°F | 0" | -- |
| 2011 | 67°F | 48°F | 0" | -- |
| 2010 | 77°F | 45°F | 0" | -- |
| 2009 | 72°F | 47°F | 0" | -- |
| 2008 | 62°F | 54°F | 0" | -- |
| 2007 | 67°F | 46°F | 0.45" | -- |
| 2006 | 91°F | 61°F | 0" | -- |
| 2005 | 85°F | 60°F | 0" | -- |
| 2004 | 78°F | 55°F | 0" | -- |
| 2003 | 80°F | 54°F | 0" | 0" |
| 2002 | 82°F | 63°F | 0" | 0" |
| 2001 | 84°F | 54°F | 0" | 0" |
| 2000 | 83°F | 60°F | 0.24" | 0" |
| 1999 | 83°F | 65°F | 0" | 0" |
| 1998 | 93°F | 74°F | 0" | 0" |
| 1997 | 87°F | 70°F | 0" | 0" |
| 1996 | 63°F | 47°F | 0.1" | 0" |
| 1995 | 86°F | 64°F | 0.34" | 0" |
| 1994 | 68°F | 42°F | 0" | 0" |
| 1993 | 68°F | 50°F | 0.01" | 0" |
| 1992 | 67°F | 51°F | 0.01" | 0" |
| 1991 | 69°F | 55°F | 0" | 0" |
| 1990 | 75°F | 50°F | 0" | 0" |
| 1989 | 71°F | 54°F | 0" | 0" |
| 1988 | 84°F | 56°F | 0.16" | 0" |
| 1983 | 91°F | 68°F | 0" | 0" |
| 1981 | 79°F | 62°F | 0" | 0" |
| 1980 | 84°F | 60°F | 0" | 0" |
| 1979 | 84°F | 65°F | 0.28" | 0" |
| 1978 | 67°F | 58°F | 0.06" | 0" |
| 1977 | 76°F | 53°F | 0" | 0" |
| 1976 | 70°F | 50°F | 0.89" | 0" |
| 1975 | 74°F | 50°F | 0" | 0" |
| 1974 | 91°F | 65°F | 0" | 0" |
| 1973 | 73°F | 58°F | 0" | 0" |
| 1972 | 76°F | 56°F | 0" | 0" |
| 1971 | 65°F | 53°F | 0" | 0" |
July 13 at Nearby Parks
Holiday Weather at Isle Royale
Official NPS WebsiteVisit nps.gov/isro for park information, alerts, and reservations
↗