Weather on March 19 at Isle Royale
Isle Royale National Park
Based on 51 years of data from Houghton, MI
Planning Your Visit
March 19th in Isle Royale National Park (via Houghton, MI) typically brings cold spring weather, with average highs around 37°F and lows near 21°F. Over 51 years of records, the warmest March 19th was in 2012 (65°F average), while the coldest was 1974 (13°F) — a 52°F range across recorded history. Precipitation has occurred on 24% of recorded March 19th dates, with snow falling 12% of the time (heaviest snowfall: 1.7"). Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for March 19th in Isle Royale? Bundle up with warm layers and protect extremities from the cold.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2026 | 37°F | 15°F | 0" | -- |
| 2025 | 36°F | 32°F | 0" | -- |
| 2024 | 36°F | 21°F | 0" | -- |
| 2023 | 38°F | 22°F | 0.03" | -- |
| 2022 | 35°F | 25°F | 0" | -- |
| 2021 | 50°F | 19°F | 0" | -- |
| 2020 | 35°F | 32°F | 0.33" | -- |
| 2019 | 47°F | 23°F | 0" | -- |
| 2018 | 26°F | 13°F | 0" | -- |
| 2017 | 41°F | 27°F | 0" | -- |
| 2016 | 31°F | 16°F | 0" | -- |
| 2015 | 41°F | 18°F | 0" | -- |
| 2014 | 31°F | 26°F | 0" | -- |
| 2013 | 27°F | 16°F | 0.84" | -- |
| 2012 | 78°F | 51°F | 0" | -- |
| 2011 | 36°F | 22°F | 0" | -- |
| 2010 | 49°F | 21°F | 0" | -- |
| 2009 | 20°F | 6°F | 0" | -- |
| 2008 | 33°F | 23°F | 0" | -- |
| 2007 | 34°F | 12°F | 0.15" | -- |
| 2006 | 30°F | 14°F | 0" | -- |
| 2005 | 30°F | 19°F | 0" | -- |
| 2004 | 39°F | 12°F | 0" | -- |
| 2003 | 32°F | 23°F | 0" | -- |
| 2002 | 39°F | 22°F | 0" | 0" |
| 2001 | 49°F | 19°F | 0" | 0" |
| 2000 | 43°F | 30°F | 0" | 0" |
| 1999 | 40°F | 26°F | 0" | 0" |
| 1998 | 37°F | 25°F | 0" | 0" |
| 1997 | 40°F | 12°F | 0" | 0" |
| 1996 | 34°F | 24°F | 0" | 0" |
| 1995 | 44°F | 30°F | 0.03" | 0" |
| 1994 | 42°F | 15°F | 0" | 0" |
| 1993 | 33°F | 17°F | 0.08" | 0.6" |
| 1992 | 30°F | 14°F | 0" | 0" |
| 1991 | 42°F | 30°F | 0" | 0" |
| 1990 | 24°F | 15°F | 0.08" | 0.8" |
| 1989 | 27°F | 1°F | 0" | 0" |
| 1988 | 24°F | 10°F | 0.25" | 1.7" |
| 1982 | 26°F | 17°F | 0" | 0" |
| 1981 | 26°F | 18°F | 0.05" | 0.5" |
| 1980 | 48°F | 24°F | 0" | 0" |
| 1979 | 47°F | 34°F | 0.08" | 0" |
| 1978 | 31°F | 18°F | 0" | 0" |
| 1977 | 40°F | 17°F | 0" | 0" |
| 1976 | 46°F | 28°F | 0" | 0" |
| 1975 | 45°F | 30°F | 0" | 0" |
| 1974 | 20°F | 7°F | 0.05" | 0.4" |
| 1973 | 36°F | 26°F | 0" | 0" |
| 1972 | 35°F | 16°F | 0.05" | 0.5" |
| 1971 | 32°F | 26°F | 0" | 0" |