Weather on March 17 at Isle Royale
Isle Royale National Park
Based on 51 years of data from Houghton, MI
Planning Your Visit
March 17th in Isle Royale National Park (via Houghton, MI) typically brings cold spring weather, with average highs around 34°F and lows near 18°F. Over 51 years of records, the warmest March 17th was in 2012 (60°F average), while the coldest was 1989 (5°F) — a 55°F range across recorded history. Precipitation has occurred on 22% of recorded March 17th dates, with snow falling 10% of the time (heaviest snowfall: 1.4"). The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.
Planning for March 17th in Isle Royale? Bundle up with warm layers and protect extremities from the cold.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2026 | 16°F | 9°F | 0" | -- |
| 2025 | 40°F | 24°F | 0" | -- |
| 2024 | 27°F | 20°F | 0.03" | -- |
| 2023 | 31°F | 14°F | 0.15" | -- |
| 2022 | 45°F | 35°F | 0" | -- |
| 2021 | 40°F | 32°F | 0" | -- |
| 2020 | 31°F | 16°F | 0" | -- |
| 2019 | 32°F | 11°F | 0" | -- |
| 2018 | 41°F | 9°F | 0" | -- |
| 2017 | 34°F | 28°F | 0.36" | -- |
| 2016 | 32°F | 27°F | 0.86" | -- |
| 2015 | 33°F | 23°F | 0" | -- |
| 2014 | 25°F | 7°F | 0" | -- |
| 2013 | 19°F | 3°F | 0" | -- |
| 2012 | 76°F | 45°F | 0" | -- |
| 2011 | 47°F | 35°F | 0.03" | -- |
| 2010 | 53°F | 34°F | 0" | -- |
| 2009 | 50°F | 35°F | 0" | -- |
| 2008 | 35°F | 15°F | 0.03" | -- |
| 2007 | 30°F | 6°F | 0" | -- |
| 2006 | 25°F | 14°F | 0" | -- |
| 2005 | 28°F | 1°F | 0" | -- |
| 2004 | 34°F | 18°F | 0" | -- |
| 2003 | 40°F | 31°F | 0" | -- |
| 2002 | 31°F | 13°F | 0" | -- |
| 2001 | 40°F | 12°F | 0" | 0" |
| 2000 | 31°F | 4°F | 0" | 0" |
| 1999 | 50°F | 30°F | 0" | 0" |
| 1998 | 36°F | 11°F | 0" | 0" |
| 1997 | 33°F | 17°F | 0" | 0" |
| 1996 | 36°F | 21°F | 0.18" | 0.5" |
| 1995 | 38°F | 27°F | 0" | 0" |
| 1994 | 25°F | 3°F | 0" | 0" |
| 1993 | 12°F | 1°F | 0.1" | 0.9" |
| 1992 | 33°F | 15°F | 0" | 0.1" |
| 1991 | 41°F | 28°F | 0" | 0" |
| 1990 | 32°F | 25°F | 0.28" | 1.4" |
| 1989 | 15°F | -5°F | 0" | 0" |
| 1988 | 37°F | 19°F | 0" | 0" |
| 1982 | 37°F | 31°F | 0" | 0" |
| 1981 | 24°F | 10°F | 0" | 0" |
| 1980 | 32°F | 19°F | 0" | 0" |
| 1979 | 49°F | 31°F | 0.08" | 0" |
| 1978 | 25°F | 8°F | 0" | 0" |
| 1977 | 34°F | 17°F | 0" | 0" |
| 1976 | 25°F | -2°F | 0.1" | 0.4" |
| 1975 | 49°F | 25°F | 0" | 0" |
| 1974 | 25°F | 16°F | 0" | 0" |
| 1973 | 26°F | 21°F | 0" | 0" |
| 1972 | 34°F | 12°F | 0" | 0" |
| 1971 | 35°F | 12°F | 0" | 0" |