Weather on April 22 at Isle Royale

Isle Royale National Park

MIMidwest800 ft elevation
Avg High50°F
Avg Low31°F
Warmest199061°F
Coldest201526°F

Based on 50 years of data from Houghton, MI

Planning Your Visit

April 22nd in Isle Royale National Park (via Houghton, MI) typically brings cool spring weather, with average highs around 50°F and lows near 31°F. Over 50 years of records, the warmest April 22nd was in 1990 (61°F average), while the coldest was 2015 (26°F) — a 35°F range across recorded history. Precipitation has occurred on 30% of recorded April 22nd dates, with snow falling 6% of the time (heaviest snowfall: 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 April 22nd in Isle Royale? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.

Year by Year History

YearHighLowPrecipSnow
202547°F30°F0"--
202470°F29°F--0"
202336°F30°F0.05"--
202241°F28°F0.56"--
202155°F28°F0"--
202037°F18°F0"--
201942°F37°F2.03"--
201854°F24°F0"--
201765°F31°F0"--
201644°F28°F0"--
201528°F24°F0.05"--
201438°F26°F0"--
201338°F31°F0.25"--
201251°F27°F0"--
201145°F33°F0"--
201051°F21°F0"--
200939°F26°F0"--
200855°F40°F0.86"--
200776°F45°F0.18"--
200656°F37°F0.23"--
200540°F31°F0"--
200440°F26°F0"--
200343°F27°F0"--
200240°F25°F0"--
200152°F29°F0.38"0"
200061°F28°F0"0"
199950°F30°F0"0"
199868°F35°F0"0"
199748°F29°F0"0"
199655°F33°F0.41"0"
199549°F34°F0"0"
199459°F28°F0"0"
199359°F36°F0"0"
199239°F31°F0.33"0.7"
199158°F28°F0"0"
199071°F51°F0"0"
198941°F30°F0"0"
198844°F27°F0"0"
198251°F28°F0"0"
198145°F33°F0.48"0"
198079°F41°F0"0"
197954°F38°F0"0"
197849°F25°F0"0"
197755°F39°F0"0"
197640°F35°F1.93"0"
197554°F36°F0"0"
197449°F29°F1.04"2.1"
197353°F35°F0"0"
197240°F31°F1.52"7"
197149°F32°F0"0"

April 22 at Nearby Parks

Holiday Weather at Isle Royale

Official NPS WebsiteVisit nps.gov/isro for park information, alerts, and reservations

Explore More at Isle Royale

See historical weather for other dates

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