Weather on March 29 at Isle Royale

Isle Royale National Park

MIMidwest800 ft elevation
Avg High39°F
Avg Low25°F
Warmest200746°F
Coldest199116°F

Based on 51 years of data from Houghton, MI

Planning Your Visit

March 29th in Isle Royale National Park (via Houghton, MI) typically brings cold spring weather, with average highs around 39°F and lows near 25°F. Over 51 years of records, the warmest March 29th was in 2007 (46°F average), while the coldest was 1991 (16°F) — a 30°F range across recorded history. Precipitation has occurred on 31% of recorded March 29th dates, with snow falling 10% of the time (heaviest snowfall: 4"). The last decade has been 4.5°F cooler on this date compared to 20-30 years ago.

The last decade has been 4.5°F cooler on this date compared to 20-30 years ago.

Planning for March 29th in Isle Royale? Bundle up with warm layers and protect extremities from the cold. Consider bringing rain gear or an umbrella.

Year by Year History

YearHighLowPrecipSnow
202641°F19°F0"--
202532°F30°F0"--
202439°F27°F0"--
202324°F18°F0"--
202239°F8°F0"--
202153°F18°F0"--
202038°F34°F1.75"--
201937°F18°F0"--
201835°F23°F0"--
201735°F31°F0"--
201650°F23°F0"--
201536°F28°F0.3"--
201438°F8°F0"--
201344°F18°F0"--
201236°F28°F0"--
201137°F16°F0"--
201043°F19°F0"--
200929°F21°F0"--
200836°F14°F0"--
200757°F35°F0.08"--
200652°F29°F0"--
200555°F32°F0"--
200441°F32°F0.03"--
200326°F11°F0.03"--
200247°F30°F0"0"
200148°F23°F0"0"
200038°F29°F0"0"
199949°F37°F0.25"0"
199849°F37°F0.23"0"
199736°F25°F0.08"0"
199635°F24°F0.03"0.3"
199538°F24°F0"0"
199432°F23°F0.1"0.4"
199351°F32°F0"0"
199242°F26°F0"0"
199121°F11°F0"0"
199049°F29°F0"0"
198928°F17°F0"0"
198836°F29°F0"0"
198249°F35°F0.03"0"
198151°F35°F1.3"0"
198040°F25°F0"0"
197931°F24°F0"0"
197837°F22°F0"0"
197743°F35°F0.41"0"
197638°F33°F0.71"0"
197532°F19°F0.48"1.9"
197433°F26°F0"0"
197341°F30°F0"0"
197233°F25°F0.64"4"
197130°F24°F0"0.3"

March 29 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

Back to Isle Royale