Weather on December 22 at Isle Royale

Isle Royale National Park

MIMidwest800 ft elevation
Avg High28°F
Avg Low17°F
Warmest199440°F
Coldest19895°F

Based on 50 years of data from Houghton, MI

Planning Your Visit

December 22nd in Isle Royale National Park (via Houghton, MI) typically brings very cold winter weather, with average highs around 28°F and lows near 17°F. Over 50 years of records, the warmest December 22nd was in 1994 (40°F average), while the coldest was 1989 (5°F) — a 35°F range across recorded history. Precipitation has occurred on 42% of recorded December 22nd dates, with snow falling 28% of the time (heaviest snowfall: 9.8"). The last decade has been 4.9°F warmer on this date compared to 20-30 years ago.

The last decade has been 4.9°F warmer on this date compared to 20-30 years ago.

Planning for December 22nd in Isle Royale? Bundle up with warm layers and protect extremities from the cold. Consider bringing rain gear or an umbrella. Check road conditions if traveling, as snow is possible.

Year by Year History

YearHighLowPrecipSnow
202532°F5°F0"--
202428°F9°F0"--
202339°F34°F0"--
202223°F6°F0.28"--
202116°F11°F0.03"--
202034°F19°F0"--
201944°F26°F0"--
201825°F20°F0"--
201727°F21°F0.03"--
201637°F26°F0"--
201533°F25°F0"--
201435°F32°F0.05"--
201326°F15°F0"--
201228°F16°F0"--
201132°F17°F0.05"--
201029°F16°F0"--
200928°F7°F0"--
200812°F1°F0"--
200736°F31°F0.23"--
200635°F32°F1.4"--
200534°F17°F0"--
200410°F3°F0"--
200335°F32°F0.03"--
200228°F26°F0"0.8"
200138°F22°F0"0"
200021°F10°F0.97"9.8"
199913°F5°F0.74"3.5"
199812°F-2°F0.97"3"
199731°F15°F0"0"
199625°F13°F0"0"
199528°F20°F0.03"0.1"
199445°F35°F0"0"
199323°F15°F0"0"
199228°F20°F0.38"2.3"
199139°F33°F0"0"
199023°F4°F0.3"2.2"
19899°F1°F0.43"3.7"
198832°F14°F0.18"1.5"
198728°F16°F0"0"
198132°F26°F0"0"
198019°F8°F0.2"2.7"
197937°F33°F0"0"
197828°F16°F1.09"9.2"
197723°F21°F0"0"
197619°F9°F0.43"2.8"
197527°F22°F0"0"
197430°F4°F0.51"3.5"
197325°F9°F0.2"1"
197230°F24°F0"0"
197126°F-2°F0"0"

December 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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