Weather on July 4 at Isle Royale

Isle Royale National Park

MIMidwest800 ft elevation
Avg High77°F
Avg Low55°F
Warmest202180°F
Coldest199253°F

Based on 50 years of data from Houghton, MI

Planning Your Visit

July 4th in Isle Royale National Park (via Houghton, MI) typically brings pleasant summer weather, with average highs around 77°F and lows near 55°F. Over 50 years of records, the warmest July 4th was in 2021 (80°F average), while the coldest was 1992 (53°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 32% of July 4th dates historically, with the wettest July 4th recording 2.95" of rain. The last decade has been 4.7°F warmer on this date compared to 20-30 years ago.

The last decade has been 4.7°F warmer on this date compared to 20-30 years ago.

Planning for July 4th in Isle Royale? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.

Year by Year History

YearHighLowPrecipSnow
202584°F58°F0"--
202473°F55°F0"--
202386°F60°F1.14"--
202267°F56°F2.13"--
202190°F70°F0"--
202091°F59°F0"--
201987°F56°F0.25"--
201889°F63°F0.23"--
201778°F53°F0"--
201679°F52°F0"--
201571°F51°F0"--
201477°F50°F0"--
201381°F52°F0"--
201276°F62°F0.13"--
201182°F53°F0"--
201087°F67°F0.2"--
200972°F50°F0"--
200873°F52°F0"--
200778°F54°F0.1"--
200667°F47°F0"--
200576°F54°F0"--
200466°F46°F2.95"--
200380°F61°F0"0"
200283°F58°F0"0"
200177°F55°F0.58"0"
200077°F48°F0"0"
199990°F67°F0.08"0"
199872°F52°F0"0"
199771°F47°F0"0"
199683°F50°F0"0"
199582°F59°F0"0"
199471°F50°F0"0"
199382°F56°F0"0"
199256°F51°F0.13"0"
199170°F57°F0"0"
199076°F55°F0"0"
198980°F63°F0"0"
198895°F62°F0"0"
198366°F45°F0.13"0"
198178°F58°F0"0"
198080°F60°F0.84"0"
197970°F50°F0"0"
197876°F60°F0"0"
197783°F61°F0.08"0"
197682°F57°F0"0"
197583°F59°F0"0"
197461°F52°F0.25"0"
197364°F55°F0"0"
197270°F39°F0"0"
197176°F63°F0.05"0"

July 4 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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