Weather on April 14 at Isle Royale
Isle Royale National Park
MIMidwest800 ft elevation
Avg High48°F
Avg Low30°F
Warmest200358°F
Coldest202024°F
Based on 49 years of data from Houghton, MI
Planning Your Visit
April 14th in Isle Royale National Park (via Houghton, MI) typically brings chilly spring weather, with average highs around 48°F and lows near 30°F. Over 49 years of records, the warmest April 14th was in 2003 (58°F average), while the coldest was 2020 (24°F) — a 34°F range across recorded history. Precipitation has occurred on 27% of recorded April 14th dates, with snow falling 2% of the time. The last decade has been 6.5°F cooler on this date compared to 20-30 years ago.
The last decade has been 6.5°F cooler on this date compared to 20-30 years ago.
Planning for April 14th in Isle Royale? Bring layers as temperatures can vary throughout the day.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 45°F | 33°F | 1.02" | -- |
| 2023 | 73°F | 37°F | 0" | -- |
| 2022 | 34°F | 29°F | 0.33" | -- |
| 2021 | 42°F | 33°F | 0.13" | -- |
| 2020 | 28°F | 19°F | 0.05" | -- |
| 2019 | 43°F | 18°F | 0" | -- |
| 2018 | 29°F | 21°F | 0" | -- |
| 2017 | 57°F | 31°F | 0" | -- |
| 2016 | 61°F | 28°F | 0" | -- |
| 2015 | 58°F | 35°F | 0" | -- |
| 2014 | 34°F | 19°F | 0" | -- |
| 2013 | 37°F | 23°F | 0.58" | -- |
| 2012 | 67°F | 41°F | 0.08" | -- |
| 2011 | 31°F | 22°F | 0" | -- |
| 2010 | 72°F | 43°F | 0.08" | -- |
| 2009 | 49°F | 30°F | 0" | -- |
| 2008 | 46°F | 20°F | 0" | -- |
| 2007 | 48°F | 23°F | 0" | -- |
| 2006 | 60°F | 39°F | 0" | -- |
| 2005 | 50°F | 31°F | 0" | -- |
| 2004 | 43°F | 27°F | 0" | -- |
| 2003 | 72°F | 44°F | 0" | -- |
| 2002 | 61°F | 41°F | 0.33" | -- |
| 2001 | 50°F | 32°F | 0" | 0" |
| 2000 | 45°F | 31°F | 0.18" | 0" |
| 1999 | 68°F | 32°F | 0" | 0" |
| 1998 | 69°F | 43°F | 0" | 0" |
| 1997 | 52°F | 20°F | 0" | 0" |
| 1996 | 43°F | 18°F | 0" | 0" |
| 1995 | 44°F | 23°F | 0" | 0" |
| 1994 | 57°F | 30°F | 0" | 0" |
| 1993 | 42°F | 30°F | 0" | 0" |
| 1992 | 42°F | 31°F | 0" | 0" |
| 1991 | 37°F | 35°F | 2.13" | 0" |
| 1990 | 51°F | 32°F | 0.18" | 0" |
| 1989 | 41°F | 33°F | 0.08" | 0" |
| 1988 | 33°F | 26°F | 0.1" | 0.6" |
| 1982 | 45°F | 26°F | 0" | 0" |
| 1981 | 39°F | 26°F | 0" | 0" |
| 1980 | 40°F | 20°F | 0" | 0" |
| 1979 | 38°F | 33°F | 0" | 0" |
| 1978 | 38°F | 30°F | 0" | 0" |
| 1977 | 55°F | 36°F | 0" | 0" |
| 1976 | 70°F | 41°F | 0" | 0" |
| 1975 | 50°F | 24°F | 0" | 0" |
| 1974 | 35°F | 29°F | 0" | 0" |
| 1973 | 69°F | 30°F | 0" | 0" |
| 1972 | 41°F | 31°F | 0" | 0" |
| 1971 | 40°F | 21°F | 0" | 0" |
April 14 at Nearby Parks
Holiday Weather at Isle Royale
Official NPS WebsiteVisit nps.gov/isro for park information, alerts, and reservations
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