Weather on April 6 at Isle Royale
Isle Royale National Park
Based on 50 years of data from Houghton, MI
Planning Your Visit
April 6th in Isle Royale National Park (via Houghton, MI) typically brings chilly spring weather, with average highs around 41°F and lows near 25°F. Over 50 years of records, the warmest April 6th was in 1991 (56°F average), while the coldest was 2003 (11°F) — a 45°F range across recorded history. Precipitation has occurred on 36% of recorded April 6th dates, with snow falling 6% of the time (heaviest snowfall: 2"). 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 April 6th in Isle Royale? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2026 | 33°F | 8°F | 0.05" | -- |
| 2025 | 41°F | 18°F | 0" | -- |
| 2023 | 29°F | 24°F | 0.28" | -- |
| 2022 | 43°F | 36°F | 1.7" | -- |
| 2021 | 59°F | 42°F | 0.94" | -- |
| 2020 | 47°F | 29°F | 0" | -- |
| 2019 | 45°F | 32°F | 0" | -- |
| 2018 | 26°F | 19°F | 0.05" | -- |
| 2017 | 41°F | 33°F | 0" | -- |
| 2016 | 33°F | 29°F | 0.53" | -- |
| 2015 | 35°F | 23°F | 0" | -- |
| 2014 | 50°F | 35°F | 0" | -- |
| 2013 | 32°F | 25°F | 1.04" | -- |
| 2012 | 53°F | 22°F | 0" | -- |
| 2011 | 37°F | 29°F | 0" | -- |
| 2010 | 59°F | 35°F | 0" | -- |
| 2009 | 32°F | 22°F | 0" | -- |
| 2008 | 49°F | 31°F | 0.08" | -- |
| 2007 | 19°F | 13°F | 0" | -- |
| 2006 | 53°F | 35°F | 0" | -- |
| 2005 | 38°F | 33°F | 1.04" | -- |
| 2004 | 48°F | 32°F | 0" | -- |
| 2003 | 27°F | -4°F | 0" | -- |
| 2002 | 35°F | 10°F | 0" | -- |
| 2001 | 49°F | 33°F | 0.43" | 0" |
| 2000 | 43°F | 32°F | 1.57" | 0.6" |
| 1999 | 39°F | 33°F | 1.55" | 0" |
| 1998 | 51°F | 29°F | 0" | 0" |
| 1997 | 52°F | 36°F | 0.61" | 0" |
| 1996 | 35°F | 9°F | 0" | 0" |
| 1995 | 38°F | 21°F | 0.41" | 2" |
| 1994 | 39°F | 7°F | 0" | 0" |
| 1993 | 48°F | 33°F | 0" | 0" |
| 1992 | 55°F | 36°F | 0.05" | 0" |
| 1991 | 71°F | 41°F | 0" | 0" |
| 1990 | 27°F | 15°F | 0" | 0" |
| 1989 | 39°F | 26°F | 0" | 0" |
| 1988 | 47°F | 37°F | 0.3" | 0" |
| 1982 | 20°F | 10°F | 0" | 0" |
| 1981 | 52°F | 23°F | 0" | 0" |
| 1980 | 39°F | 33°F | 1.52" | 0" |
| 1979 | 19°F | 5°F | 0" | 0" |
| 1978 | 42°F | 31°F | 0.64" | 0.3" |
| 1977 | 31°F | 16°F | 0" | 0" |
| 1976 | 44°F | 30°F | 0" | 0" |
| 1975 | 32°F | 16°F | 0" | 0" |
| 1974 | 46°F | 20°F | 0" | 0" |
| 1973 | 46°F | 31°F | 0" | 0" |
| 1972 | 22°F | 9°F | 0" | 0" |
| 1971 | 50°F | 29°F | 0" | 0" |