Weather on January 9 at Isle Royale

Isle Royale National Park

MIMidwest800 ft elevation
Avg High22°F
Avg Low10°F
Warmest200233°F
Coldest1977-11°F

Based on 51 years of data from Houghton, MI

Planning Your Visit

January 9th in Isle Royale National Park (via Houghton, MI) typically brings very cold winter weather, with average highs around 22°F and lows near 10°F. Over 51 years of records, the warmest January 9th was in 2002 (33°F average), while the coldest was 1977 (-11°F) — a 44°F range across recorded history. Precipitation has occurred on 63% of recorded January 9th dates, with snow falling 49% of the time (heaviest snowfall: 10.2"). The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.

The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.

Planning for January 9th 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
202636°F27°F0.05"--
202526°F11°F0"--
202434°F28°F0"--
202330°F28°F0"--
202227°F4°F0.08"--
202132°F29°F0"--
202032°F11°F0.23"--
201917°F13°F----
201829°F5°F0"--
201718°F13°F0.05"--
201633°F14°F0.03"--
20156°F0°F0"--
201417°F-13°F0"--
201335°F29°F0.2"--
201238°F23°F0"--
201122°F11°F----
201019°F12°F0"--
200914°F4°F0"--
200833°F25°F0"--
200721°F10°F0"--
200629°F13°F0.05"--
200523°F17°F0.1"--
200414°F-2°F0"--
200340°F16°F0.36"1.6"
200243°F24°F0"0"
200134°F8°F0"0"
200035°F14°F0"0"
199913°F5°F0.64"3"
199828°F23°F1.5"7.8"
199726°F16°F0.03"0.1"
199626°F14°F0.3"3.3"
199513°F5°F0.1"0.5"
199412°F3°F0.03"0.1"
19939°F-4°F0"0.1"
199232°F23°F0.2"0.8"
199122°F6°F0.36"3.2"
199034°F20°F0.08"0.3"
19898°F2°F0.18"1.1"
19888°F-2°F0.25"1"
1982-8°F-15°F1.14"5.3"
198114°F4°F0.74"3.5"
19802°F-8°F1.8"10.2"
197910°F0°F0.25"1.6"
19781°F-6°F1.88"9.5"
1977-2°F-20°F0.05"0.2"
197610°F2°F0.36"3.5"
197532°F23°F0.46"2"
19748°F-3°F0.1"0.7"
197310°F5°F0.43"3.2"
197237°F16°F0.08"0.5"
197121°F10°F0.18"0.7"

January 9 at Nearby Parks

Holiday Weather at Isle Royale

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

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