Weather on February 15 at Isle Royale

Isle Royale National Park

MIMidwest800 ft elevation
Avg High24°F
Avg Low8°F
Warmest198136°F
Coldest2015-10°F

Based on 51 years of data from Houghton, MI

Planning Your Visit

February 15th in Isle Royale National Park (via Houghton, MI) typically brings very cold winter weather, with average highs around 24°F and lows near 8°F. Over 51 years of records, the warmest February 15th was in 1981 (36°F average), while the coldest was 2015 (-10°F) — a 46°F range across recorded history. Precipitation has occurred on 59% of recorded February 15th dates, with snow falling 39% of the time (heaviest snowfall: 15.2"). The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.

The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.

Planning for February 15th 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
202638°F29°F0"--
202524°F17°F0.13"--
202430°F21°F0.05"--
202340°F20°F0.25"--
202226°F-11°F0"--
20213°F-4°F0.03"--
202028°F10°F0.03"--
201925°F14°F0.23"--
201841°F14°F0.1"--
201721°F4°F0"--
201624°F16°F0"--
20154°F-25°F0"--
20148°F-18°F0"--
201314°F9°F0.1"--
201236°F17°F0"--
201142°F23°F0.1"--
201029°F22°F0"--
200913°F-2°F0"--
20088°F0°F0.03"--
200726°F8°F0"--
200619°F3°F0"--
200531°F12°F0"--
200410°F1°F0"--
20038°F-16°F0"--
200242°F24°F0"0"
200126°F-6°F0.03"1"
200024°F12°F0.38"1.7"
199942°F21°F0"0"
199844°F26°F0.03"0.1"
199720°F-3°F0.05"0.4"
199623°F-1°F0"0"
199528°F6°F2.01"15.2"
199429°F15°F0.15"0.4"
199314°F7°F0.2"1.6"
199229°F21°F0"0"
199110°F-4°F0.48"2.7"
199022°F1°F0"0"
198923°F1°F0.38"4.1"
198818°F9°F0.48"2.6"
198232°F16°F0"0"
198144°F29°F0"0"
198019°F10°F0.08"1.2"
197917°F4°F0.91"6.5"
197820°F12°F0.86"6.1"
19774°F-5°F0.13"0.5"
197633°F27°F2.03"8.5"
197528°F18°F0.05"0.3"
197422°F-7°F0.71"3"
19737°F-1°F0.46"2.1"
197213°F3°F0.03"0.3"
197120°F4°F0.05"0.7"

February 15 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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