Weather on April 16 at Isle Royale
Isle Royale National Park
Based on 49 years of data from Houghton, MI
Planning Your Visit
April 16th in Isle Royale National Park (via Houghton, MI) typically brings chilly spring weather, with average highs around 48°F and lows near 31°F. Over 49 years of records, the warmest April 16th was in 2002 (65°F average), while the coldest was 2014 (20°F) — a 45°F range across recorded history. Precipitation has occurred on 39% of recorded April 16th dates, with snow falling 10% of the time (heaviest snowfall: 4.1"). The last decade has been 4.8°F cooler on this date compared to 20-30 years ago.
The last decade has been 4.8°F cooler on this date compared to 20-30 years ago.
Planning for April 16th 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 |
|---|---|---|---|---|
| 2025 | 43°F | 22°F | 0" | -- |
| 2023 | 38°F | 30°F | 1.47" | -- |
| 2022 | 27°F | 22°F | 0.05" | -- |
| 2021 | 44°F | 29°F | 0" | -- |
| 2020 | 35°F | 21°F | 0" | -- |
| 2019 | 56°F | 34°F | 0" | -- |
| 2018 | 25°F | 23°F | 0.1" | -- |
| 2017 | 52°F | 30°F | 0.81" | -- |
| 2016 | 67°F | 44°F | 0" | -- |
| 2015 | 67°F | 42°F | 0" | -- |
| 2014 | 31°F | 8°F | 0" | -- |
| 2013 | 37°F | 30°F | 0" | -- |
| 2012 | 40°F | 21°F | 0.23" | -- |
| 2011 | 36°F | 27°F | 0" | -- |
| 2010 | 50°F | 37°F | 0.05" | -- |
| 2009 | 60°F | 30°F | 0" | -- |
| 2008 | 60°F | 39°F | 0" | -- |
| 2007 | 56°F | 28°F | 0" | -- |
| 2006 | 47°F | 34°F | 0" | -- |
| 2005 | 63°F | 44°F | 0.05" | -- |
| 2004 | 54°F | 38°F | 0" | -- |
| 2003 | 32°F | 26°F | 0" | -- |
| 2002 | 85°F | 46°F | 0" | -- |
| 2001 | 38°F | 24°F | 0.71" | 0.1" |
| 2000 | 35°F | 27°F | 0" | 0" |
| 1999 | 58°F | 35°F | 0" | 0" |
| 1998 | 43°F | 28°F | 0" | 0" |
| 1997 | 45°F | 24°F | 0.03" | 0.1" |
| 1996 | 43°F | 30°F | 0.05" | 0" |
| 1995 | 38°F | 29°F | 0" | 0" |
| 1994 | 56°F | 24°F | 0.86" | 4.1" |
| 1993 | 34°F | 27°F | 0.38" | 2.5" |
| 1992 | 44°F | 32°F | 0" | 0" |
| 1991 | 38°F | 34°F | 0.76" | 0" |
| 1990 | 36°F | 29°F | 0.03" | 0.1" |
| 1989 | 54°F | 36°F | 0" | 0" |
| 1988 | 60°F | 29°F | 0" | 0" |
| 1982 | 51°F | 34°F | 0.81" | 0" |
| 1981 | 72°F | 47°F | 0.05" | 0" |
| 1980 | 39°F | 23°F | 0" | 0" |
| 1979 | 43°F | 33°F | 0" | 0" |
| 1978 | 41°F | 24°F | 0" | 0" |
| 1977 | 65°F | 40°F | 0" | 0" |
| 1976 | 77°F | 42°F | 0" | 0" |
| 1975 | 47°F | 35°F | 0.05" | 0" |
| 1974 | 49°F | 32°F | 0" | 0" |
| 1973 | 49°F | 30°F | 1.24" | 0" |
| 1972 | 56°F | 37°F | 0" | 0" |
| 1971 | 52°F | 34°F | 0.15" | 0" |