Weather on August 1 at Isle Royale

Isle Royale National Park

MIMidwest800 ft elevation
Avg High77°F
Avg Low57°F
Warmest200781°F
Coldest197756°F

Based on 50 years of data from Houghton, MI

Planning Your Visit

August 1st in Isle Royale National Park (via Houghton, MI) typically brings pleasant summer weather, with average highs around 77°F and lows near 57°F. Over 50 years of records, the warmest August 1st was in 2007 (81°F average), while the coldest was 1977 (56°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 38% of August 1st dates historically, with the wettest August 1st recording 4.88" of rain. The last decade has been 3.9°F cooler on this date compared to 20-30 years ago.

The last decade has been 3.9°F cooler on this date compared to 20-30 years ago.

Planning for August 1st in Isle Royale? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.

Year by Year History

YearHighLowPrecipSnow
202574°F53°F0"--
202479°F64°F0"--
202377°F53°F0"--
202268°F52°F0.48"--
202170°F54°F0"--
202083°F54°F0.36"--
201980°F48°F0.03"--
201867°F49°F0.25"--
201783°F65°F0.86"--
201681°F58°F0"--
201576°F56°F0"--
201470°F47°F0"--
201370°F54°F0"--
201285°F58°F0"--
201186°F59°F0"--
201084°F57°F0"--
200966°F57°F0.64"--
200875°F53°F0.08"--
200792°F71°F0.36"--
200680°F65°F0.36"--
200585°F60°F0"--
200481°F49°F0"--
200369°F57°F0.05"0"
200272°F65°F4.88"0"
200184°F67°F3.15"0"
200086°F65°F0"0"
199979°F57°F0"0"
199881°F53°F0"0"
199783°F67°F0"0"
199679°F52°F0"0"
199574°F55°F0.03"0"
199471°F60°F0.56"0"
199375°F60°F0"0"
199276°F56°F0.05"0"
199175°F59°F0"0"
199083°F60°F0"0"
198984°F59°F0"0"
198883°F63°F0.56"0"
198378°F61°F0"0"
198180°F64°F0.99"0"
198080°F59°F0"0"
197972°F49°F0"0"
197879°F53°F0"0"
197765°F48°F0"0"
197670°F50°F0"0"
197589°F69°F1.88"0"
197470°F52°F0"0"
197370°F49°F0"0"
197268°F52°F0"0"
197167°F50°F0.23"0"

August 1 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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