Weather on July 19 at Isle Royale
Isle Royale National Park
MIMidwest800 ft elevation
Avg High78°F
Avg Low58°F
Warmest197784°F
Coldest202357°F
Based on 50 years of data from Houghton, MI
Planning Your Visit
July 19th in Isle Royale National Park (via Houghton, MI) typically brings pleasant summer weather, with average highs around 78°F and lows near 58°F. Over 50 years of records, the warmest July 19th was in 1977 (84°F average), while the coldest was 2023 (57°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 28% of July 19th dates historically, with the wettest July 19th recording 2.51" of rain. The last decade has been 1.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.7°F warmer on this date compared to 20-30 years ago.
Planning for July 19th in Isle Royale? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 73°F | 56°F | 0.71" | -- |
| 2024 | 79°F | 55°F | 0" | -- |
| 2023 | 70°F | 45°F | 2.51" | -- |
| 2022 | 84°F | 68°F | 0.38" | -- |
| 2021 | 84°F | 64°F | 0" | -- |
| 2020 | 78°F | 60°F | 0.3" | -- |
| 2019 | 82°F | 71°F | 0" | -- |
| 2018 | 80°F | 54°F | 0" | -- |
| 2017 | 77°F | 55°F | 0" | -- |
| 2016 | 77°F | 47°F | 0" | -- |
| 2015 | 80°F | 62°F | 0" | -- |
| 2014 | 79°F | 61°F | 0" | -- |
| 2013 | 75°F | 63°F | 2.31" | -- |
| 2012 | 74°F | 55°F | 0" | -- |
| 2011 | 86°F | 63°F | 0" | -- |
| 2010 | 75°F | 54°F | 0" | -- |
| 2009 | 69°F | 49°F | 0" | -- |
| 2008 | 64°F | 51°F | 0" | -- |
| 2007 | 66°F | 51°F | 0" | -- |
| 2006 | 80°F | 64°F | 0" | -- |
| 2005 | 73°F | 52°F | 0" | -- |
| 2004 | 79°F | 57°F | 0" | -- |
| 2003 | 79°F | 56°F | 0" | 0" |
| 2002 | 82°F | 50°F | 0" | 0" |
| 2001 | 82°F | 68°F | 1.52" | 0" |
| 2000 | 74°F | 42°F | 0" | 0" |
| 1999 | 78°F | 57°F | 0" | 0" |
| 1998 | 84°F | 64°F | 0" | 0" |
| 1997 | 71°F | 53°F | 0.89" | 0" |
| 1996 | 71°F | 54°F | 0.18" | 0" |
| 1995 | 73°F | 54°F | 0.15" | 0" |
| 1994 | 79°F | 57°F | 0.05" | 0" |
| 1993 | 77°F | 59°F | 0" | 0" |
| 1992 | 73°F | 52°F | 0.08" | 0" |
| 1991 | 80°F | 68°F | 0" | 0" |
| 1990 | 73°F | 60°F | 0.08" | 0" |
| 1989 | 77°F | 56°F | 0" | 0" |
| 1988 | 77°F | 59°F | 0" | 0" |
| 1983 | 80°F | 65°F | 0" | 0" |
| 1981 | 81°F | 58°F | 0" | 0" |
| 1980 | 78°F | 61°F | 0" | 0" |
| 1979 | 75°F | 60°F | 1.57" | 0" |
| 1978 | 81°F | 57°F | 1.57" | 0" |
| 1977 | 98°F | 69°F | 0" | 0" |
| 1976 | 89°F | 69°F | 0" | 0" |
| 1975 | 87°F | 65°F | 0" | 0" |
| 1974 | 71°F | 54°F | 0" | 0" |
| 1973 | 71°F | 57°F | 0" | 0" |
| 1972 | 84°F | 57°F | 0" | 0" |
| 1971 | 71°F | 48°F | 0" | 0" |
July 19 at Nearby Parks
Holiday Weather at Isle Royale
Official NPS WebsiteVisit nps.gov/isro for park information, alerts, and reservations
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