Weather on February 20 at Isle Royale

Isle Royale National Park

MIMidwest800 ft elevation
Avg High29°F
Avg Low13°F
Warmest201738°F
Coldest2015-1°F

Based on 51 years of data from Houghton, MI

Planning Your Visit

February 20th in Isle Royale National Park (via Houghton, MI) typically brings very cold winter weather, with average highs around 29°F and lows near 13°F. Over 51 years of records, the warmest February 20th was in 2017 (38°F average), while the coldest was 2015 (-1°F) — a 39°F range across recorded history. Precipitation has occurred on 39% of recorded February 20th dates, with snow falling 22% of the time (heaviest snowfall: 5.5"). The last decade has been 1.6°F cooler on this date compared to 20-30 years ago.

The last decade has been 1.6°F cooler on this date compared to 20-30 years ago.

Planning for February 20th 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
202633°F20°F0.61"--
202520°F4°F0"--
202443°F20°F0"--
202325°F13°F0.08"--
202230°F14°F0"--
202125°F-1°F0"--
202019°F8°F0"--
201926°F-1°F0.28"--
201828°F15°F0.03"--
201743°F34°F0.66"--
201637°F27°F0.23"--
201514°F-16°F0"--
201436°F25°F0.74"--
201313°F6°F0"--
201239°F11°F0"--
201122°F16°F0"--
201036°F-2°F0"--
200919°F2°F0"--
20089°F2°F0.03"--
200743°F24°F0"--
200623°F11°F0"--
200522°F3°F0.03"--
200429°F25°F0.03"--
200337°F19°F0"--
200232°F25°F1.3"4.5"
200122°F11°F0.15"1.4"
200036°F12°F0"0"
199929°F4°F0"0"
199833°F29°F0"0"
199747°F5°F0"0"
199640°F16°F0"0"
199535°F24°F0.28"0.9"
199453°F20°F0"0"
199317°F3°F0"0"
199225°F18°F0.58"5.5"
199133°F23°F0"0"
199039°F2°F0"0"
198921°F4°F0"0"
198817°F-6°F0.58"2.9"
198234°F27°F0.28"1"
198138°F31°F0"0"
198034°F26°F0.28"0.7"
197929°F17°F0"0"
197817°F7°F0"0"
197722°F0°F0"0"
197632°F20°F0.18"1"
197536°F12°F0"0"
197433°F10°F0"0"
197328°F3°F0.48"2.5"
197219°F1°F0.03"0.3"
197125°F18°F0"0.3"

February 20 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

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