Weather on March 9 at Isle Royale
Isle Royale National Park
Based on 51 years of data from Houghton, MI
Planning Your Visit
March 9th in Isle Royale National Park (via Houghton, MI) typically brings cold spring weather, with average highs around 33°F and lows near 16°F. Over 51 years of records, the warmest March 9th was in 1977 (42°F average), while the coldest was 2003 (-1°F) — a 43°F range across recorded history. Precipitation has occurred on 33% of recorded March 9th dates, with snow falling 22% of the time (heaviest snowfall: 3.3"). The last decade has been 10.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 10.1°F warmer on this date compared to 20-30 years ago.
Planning for March 9th 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 | 53°F | 30°F | 0.03" | -- |
| 2025 | 51°F | 24°F | 0" | -- |
| 2024 | 31°F | 25°F | 0" | -- |
| 2023 | 31°F | 27°F | 0" | -- |
| 2022 | 28°F | 15°F | 0.1" | -- |
| 2021 | 54°F | 27°F | 0" | -- |
| 2020 | 37°F | 18°F | 0" | -- |
| 2019 | 36°F | 14°F | 0.43" | -- |
| 2018 | 28°F | 20°F | 0" | -- |
| 2017 | 21°F | 12°F | 0" | -- |
| 2016 | 49°F | 27°F | 0" | -- |
| 2015 | 40°F | 19°F | 0" | -- |
| 2014 | 39°F | 5°F | 0" | -- |
| 2013 | 32°F | 25°F | 0.58" | -- |
| 2012 | 26°F | 12°F | 0.05" | -- |
| 2011 | 32°F | 23°F | 0" | -- |
| 2010 | 49°F | 27°F | 0" | -- |
| 2009 | 31°F | 6°F | 0" | -- |
| 2008 | 24°F | -8°F | 0" | -- |
| 2007 | 43°F | 26°F | 0" | -- |
| 2006 | 40°F | 32°F | 0" | -- |
| 2005 | 17°F | 8°F | 0" | -- |
| 2004 | 36°F | 8°F | 0" | -- |
| 2003 | 3°F | -6°F | 0.08" | -- |
| 2002 | 31°F | 9°F | 0.84" | 0.5" |
| 2001 | 34°F | 15°F | 0" | 0" |
| 2000 | 45°F | 16°F | 0.43" | 1" |
| 1999 | 33°F | 23°F | 0" | 0" |
| 1998 | 33°F | 11°F | 0" | 0" |
| 1997 | 38°F | 20°F | 0.86" | 3" |
| 1996 | 28°F | 0°F | 0" | 0" |
| 1995 | 23°F | 7°F | 0" | 0" |
| 1994 | 31°F | 6°F | 0" | 0" |
| 1993 | 33°F | 17°F | 0.03" | 0.1" |
| 1992 | 34°F | 13°F | 0.38" | 1.5" |
| 1991 | 33°F | 23°F | 0.28" | 1.3" |
| 1990 | 40°F | 31°F | 0" | 0" |
| 1989 | 31°F | 19°F | 0" | 0" |
| 1988 | 35°F | 29°F | 0" | 0" |
| 1982 | 20°F | 1°F | 0.05" | 0.2" |
| 1981 | 36°F | 28°F | 0" | 0" |
| 1980 | 34°F | 13°F | 0.03" | 0.1" |
| 1979 | 33°F | 6°F | 0.38" | 2.6" |
| 1978 | 35°F | 28°F | 0" | 0" |
| 1977 | 50°F | 34°F | 0" | 0" |
| 1976 | 24°F | 17°F | 0.66" | 3.3" |
| 1975 | 22°F | 8°F | 0" | 0" |
| 1974 | 35°F | 24°F | 0.03" | 0.1" |
| 1973 | 36°F | 20°F | 0" | 0" |
| 1972 | 12°F | -8°F | 0" | 0" |
| 1971 | 28°F | -5°F | 0" | 0" |