Weather on May 22 at Isle Royale

Isle Royale National Park

MIMidwest800 ft elevation
Avg High66°F
Avg Low44°F
Warmest198074°F
Coldest197941°F

Based on 50 years of data from Houghton, MI

Planning Your Visit

May 22nd in Isle Royale National Park (via Houghton, MI) typically brings mild spring weather, with average highs around 66°F and lows near 44°F. Over 50 years of records, the warmest May 22nd was in 1980 (74°F average), while the coldest was 1979 (41°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 40% of May 22nd dates historically, with the wettest May 22nd recording 2.06" of rain. The last decade has been 3.7°F warmer on this date compared to 20-30 years ago.

The last decade has been 3.7°F warmer on this date compared to 20-30 years ago.

Planning for May 22nd in Isle Royale? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.

Year by Year History

YearHighLowPrecipSnow
202553°F43°F0"--
202463°F45°F0.61"--
202370°F44°F0"--
202252°F38°F0.03"--
202180°F46°F0.3"--
202078°F53°F0"--
201949°F44°F0.08"--
201875°F49°F0"--
201753°F43°F0.08"--
201673°F43°F0"--
201557°F32°F0"--
201457°F44°F0.03"--
201355°F40°F0.79"--
201262°F40°F0"--
201175°F53°F0.05"--
201067°F50°F0"--
200958°F33°F0"--
200853°F41°F0"--
200784°F45°F0"--
200659°F27°F0"--
200562°F49°F2.06"--
200444°F38°F0.64"--
200360°F39°F0"0"
200274°F39°F0"0"
200160°F47°F1.93"0"
200067°F48°F0.18"0"
199966°F43°F0"0"
199860°F34°F0"0"
199750°F32°F0"0"
199667°F45°F0"0"
199556°F47°F0.81"0"
199484°F56°F0"0"
199362°F37°F0"0"
199282°F44°F1.02"0"
199181°F59°F0.03"0"
199063°F41°F0"0"
198980°F47°F0.03"0"
198864°F46°F0.18"0"
198262°F33°F0"0"
198180°F51°F0"0"
198083°F65°F0"0"
197945°F38°F0.94"0"
197869°F44°F0"0"
197781°F50°F0.3"0"
197657°F37°F0"0"
197583°F55°F0"0"
197473°F54°F0.05"0"
197367°F45°F0"0"
197275°F46°F0"0"
197165°F37°F0"0"

May 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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