Weather on July 25 at Isle Royale

Isle Royale National Park

MIMidwest800 ft elevation
Avg High77°F
Avg Low57°F
Warmest202080°F
Coldest199154°F

Based on 50 years of data from Houghton, MI

Planning Your Visit

July 25th 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 July 25th was in 2020 (80°F average), while the coldest was 1991 (54°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 44% of July 25th dates historically, with the wettest July 25th recording 2.29" of rain. The last decade has been 2.1°F warmer on this date compared to 20-30 years ago.

The last decade has been 2.1°F warmer on this date compared to 20-30 years ago.

Planning for July 25th in Isle Royale? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.

Year by Year History

YearHighLowPrecipSnow
202583°F61°F0"--
202477°F48°F0"--
202381°F51°F0"--
202273°F55°F0"--
202184°F59°F0"--
202090°F71°F0.56"--
201987°F58°F0"--
201875°F56°F0.05"--
201781°F55°F0"--
201678°F65°F0"--
201582°F61°F0"--
201477°F52°F0.05"--
201372°F54°F0.03"--
201271°F60°F2.29"--
201181°F54°F0.03"--
201079°F59°F0"--
200967°F58°F0.03"--
200879°F61°F0.38"--
200791°F62°F0"--
200683°F57°F0.2"--
200579°F65°F0"--
200477°F45°F0"--
200383°F59°F0"0"
200275°F57°F0.58"0"
200171°F54°F0"0"
200084°F63°F0"0"
199984°F64°F0"0"
199874°F54°F0"0"
199774°F63°F0.33"0"
199670°F53°F0.03"0"
199582°F60°F0.08"0"
199476°F53°F0.18"0"
199372°F63°F0.99"0"
199277°F58°F0.2"0"
199160°F49°F0"0"
199084°F60°F1.65"0"
198989°F68°F0"0"
198874°F59°F0"0"
198378°F54°F0"0"
198163°F50°F0.05"0"
198069°F51°F0.18"0"
197969°F57°F0"0"
197884°F60°F0.56"0"
197769°F53°F0"0"
197675°F52°F0.25"0"
197572°F47°F0"0"
197483°F64°F0"0"
197388°F66°F0.03"0"
197266°F51°F0"0"
197178°F57°F0"0"

July 25 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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