Weather on January 7 at Isle Royale
Isle Royale National Park
Based on 51 years of data from Houghton, MI
Planning Your Visit
January 7th in Isle Royale National Park (via Houghton, MI) typically brings very cold winter weather, with average highs around 22°F and lows near 11°F. Over 51 years of records, the warmest January 7th was in 2026 (35°F average), while the coldest was 1988 (-4°F) — a 39°F range across recorded history. Precipitation has occurred on 63% of recorded January 7th dates, with snow falling 37% of the time (heaviest snowfall: 17.1"). The last decade has been 6.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 6.2°F warmer on this date compared to 20-30 years ago.
Planning for January 7th in Isle Royale? Bundle up with warm layers and protect extremities from the cold. Consider bringing rain gear or an umbrella. Check road conditions if traveling, as snow is possible.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2026 | 41°F | 29°F | 0" | -- |
| 2025 | 20°F | 13°F | 0.03" | -- |
| 2024 | 32°F | 22°F | 0.05" | -- |
| 2023 | 23°F | 17°F | 0" | -- |
| 2022 | 14°F | 0°F | 0.03" | -- |
| 2021 | 35°F | 30°F | 0" | -- |
| 2020 | 31°F | 9°F | 0.13" | -- |
| 2019 | 35°F | 25°F | 0.43" | -- |
| 2018 | 28°F | 11°F | 0.1" | -- |
| 2017 | 9°F | 1°F | 0.3" | -- |
| 2016 | 33°F | 29°F | 0.15" | -- |
| 2015 | 11°F | -6°F | 0.05" | -- |
| 2014 | 6°F | -8°F | 0" | -- |
| 2013 | 39°F | 18°F | 0" | -- |
| 2012 | 29°F | 16°F | 0.03" | -- |
| 2011 | 15°F | 9°F | -- | -- |
| 2010 | 22°F | 15°F | 0" | -- |
| 2009 | 28°F | 19°F | 0.05" | -- |
| 2008 | 37°F | 26°F | 0" | -- |
| 2007 | 36°F | 26°F | 0.03" | -- |
| 2006 | 28°F | 24°F | 0.08" | -- |
| 2005 | 18°F | 1°F | 0" | -- |
| 2004 | 16°F | 5°F | 0" | -- |
| 2003 | 37°F | 24°F | 0" | 0" |
| 2002 | 27°F | 6°F | 0" | 0" |
| 2001 | 28°F | 20°F | 0.33" | 1.2" |
| 2000 | 20°F | 14°F | 0.56" | 4.2" |
| 1999 | 12°F | 3°F | 0.36" | 2.3" |
| 1998 | 29°F | 21°F | 0" | 0" |
| 1997 | 18°F | 9°F | 0.43" | 2.9" |
| 1996 | 20°F | -4°F | 0.05" | 0.7" |
| 1995 | 18°F | 9°F | 0.03" | 0.2" |
| 1994 | 18°F | 13°F | 1.52" | 17.1" |
| 1993 | 17°F | 8°F | 0.51" | 5.7" |
| 1992 | 32°F | 23°F | 0" | 0" |
| 1991 | 10°F | 1°F | 0.05" | 0.6" |
| 1990 | 36°F | 24°F | 0" | 0" |
| 1989 | 31°F | 26°F | 1.4" | 10.3" |
| 1988 | 8°F | -17°F | 0" | 0" |
| 1982 | 5°F | 0°F | 0.53" | 4" |
| 1981 | 8°F | 0°F | 0.58" | 5.5" |
| 1980 | 27°F | 9°F | 1.47" | 7.8" |
| 1979 | 8°F | 0°F | 0.71" | 5.6" |
| 1978 | 31°F | 20°F | 0" | 0" |
| 1977 | 10°F | 1°F | 0.86" | 4.5" |
| 1976 | 5°F | -3°F | 0.51" | 4" |
| 1975 | 33°F | 25°F | 0" | 0" |
| 1974 | 3°F | -3°F | 0.61" | 5.2" |
| 1973 | 11°F | -6°F | 0" | 0" |
| 1972 | 27°F | 11°F | 0.1" | 1" |
| 1971 | 15°F | 3°F | 0.53" | 8.7" |