Isle Royale · April · Michigan
Isle Royale National Park in April
April is the off-season at Isle Royale National Park. It is one of the quietest times to go. Highs average 35°F and lows 29°F, with about 2.39 inches of rain.
April is rated poor at Isle Royale. Consider Jul–Sep instead.
What to expect
Honest take: April is not the month for Isle Royale. Opens in mid-April, but ferries start in May. It's cold, and black flies can be intense in June.
Visits average several days, and many visitors stay four or more. The ferry ride itself is part of the adventure.
Good to know
- Best months overall: Jul–Sep.
- Closest airport: Houghton (CMX), then a ferry or seaplane.
- Before you go: Ferries and seaplanes run seasonally and book up early. Check current conditions on nps.gov.
Questions
Is April a good time to visit Isle Royale National Park?
April is the off-season at Isle Royale National Park. It is one of the quietest times to go. Highs average 35°F and lows 29°F, with about 2.39 inches of rain.
What is the weather like in Isle Royale National Park in April?
Highs average 35°F and lows 29°F, with about 2.39 inches of rain. Conditions are poor this month, so check the month-by-month ratings before you commit.
How crowded is Isle Royale National Park in April?
April is one of the quietest months at Isle Royale National Park.