Weather on May 8 at Isle Royale

Isle Royale National Park

MIMidwest800 ft elevation
Avg High59°F
Avg Low38°F
Warmest199366°F
Coldest202028°F

Based on 50 years of data from Houghton, MI

Planning Your Visit

May 8th in Isle Royale National Park (via Houghton, MI) typically brings cool spring weather, with average highs around 59°F and lows near 38°F. Over 50 years of records, the warmest May 8th was in 1993 (66°F average), while the coldest was 2020 (28°F) — a 38°F range across recorded history. Precipitation has occurred on 38% of recorded May 8th dates, with snow falling 4% of the time (heaviest snowfall: 1.5"). The last decade has been 6.1°F cooler on this date compared to 20-30 years ago.

The last decade has been 6.1°F cooler on this date compared to 20-30 years ago.

Planning for May 8th in Isle Royale? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.

Year by Year History

YearHighLowPrecipSnow
202551°F32°F0"--
202459°F44°F0.03"--
202358°F41°F0"--
202265°F42°F0"--
202151°F28°F0"--
202034°F22°F0.08"--
201943°F32°F1.32"--
201862°F44°F0.48"--
201752°F27°F0"--
201656°F34°F0"--
201572°F44°F0"--
201452°F37°F2.69"--
201378°F42°F0"--
201255°F39°F0"--
201166°F41°F0"--
201043°F29°F0.05"--
200954°F36°F0"--
200853°F34°F0"--
200777°F53°F0"--
200668°F39°F0.76"--
200561°F44°F1.42"--
200462°F36°F0"--
200362°F41°F0"0"
200246°F31°F5.03"1.5"
200163°F43°F0"0"
200067°F45°F1.8"0"
199955°F41°F0.81"0"
199866°F44°F0"0"
199762°F44°F1.17"0"
199654°F35°F0.05"0"
199556°F43°F0"0"
199473°F36°F0"0"
199383°F50°F0"0"
199281°F50°F0"0"
199155°F30°F0"0"
199046°F39°F0.03"0"
198958°F35°F0"0"
198880°F45°F1.42"0"
198259°F31°F0"0"
198167°F41°F0"0"
198040°F34°F0.1"0.2"
197961°F40°F1.57"0"
197853°F40°F0.51"0"
197753°F34°F0"0"
197667°F30°F0"0"
197565°F44°F0"0"
197452°F30°F0"0"
197348°F42°F0.2"0"
197252°F28°F0"0"
197150°F33°F0"0"

May 8 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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