Weather on April 23 at Isle Royale

Isle Royale National Park

MIMidwest800 ft elevation
Avg High50°F
Avg Low32°F
Warmest199064°F
Coldest201327°F

Based on 49 years of data from Houghton, MI

Planning Your Visit

April 23rd in Isle Royale National Park (via Houghton, MI) typically brings cool spring weather, with average highs around 50°F and lows near 32°F. Over 49 years of records, the warmest April 23rd was in 1990 (64°F average), while the coldest was 2013 (27°F) — a 37°F range across recorded history. Precipitation has occurred on 37% of recorded April 23rd dates, with snow falling 12% of the time (heaviest snowfall: 1.5"). Temperatures on this date have remained relatively stable over the past several decades.

Temperatures on this date have remained relatively stable over the past several decades.

Planning for April 23rd in Isle Royale? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.

Year by Year History

YearHighLowPrecipSnow
202555°F34°F0.08"--
202335°F28°F0.05"--
202240°F35°F0.69"--
202157°F33°F0"--
202042°F29°F0"--
201951°F35°F0"--
201861°F32°F0"--
201745°F30°F0.2"--
201647°F31°F0.08"--
201538°F26°F0.03"--
201447°F22°F0"--
201334°F19°F1.07"--
201254°F26°F0"--
201139°F31°F0"--
201068°F29°F0"--
200954°F27°F0"--
200868°F33°F0"--
200755°F38°F0.76"--
200652°F39°F0.23"--
200537°F27°F0"--
200452°F25°F0"--
200350°F24°F0"--
200249°F25°F0"--
200149°F31°F2.69"0"
200060°F36°F0"0"
199947°F36°F0"0"
199873°F37°F0"0"
199750°F33°F0"0"
199645°F27°F0"0"
199551°F27°F0"0"
199474°F35°F0"0"
199363°F37°F0"0"
199241°F30°F0.03"0.1"
199155°F35°F0"0"
199081°F48°F0.86"0"
198945°F30°F0"0"
198843°F32°F0.15"0.7"
198267°F43°F0"0"
198139°F32°F1.65"0.2"
198041°F23°F0.23"1.5"
197958°F38°F0"0"
197846°F31°F0"0"
197763°F38°F0"0"
197648°F35°F0"0"
197540°F35°F1.37"0"
197439°F26°F0.08"0.5"
197339°F33°F0"0"
197237°F32°F0.08"0.5"
197146°F28°F0"0"

April 23 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