Isle Royale in November: Crowds, Weather & What to Pack

Shoulder · VisitWhen score 41/100 · #9 of 12 months

November is a quiet month with trade-offs at Isle Royale National Park: crowds run under 1% of the August peak (NPS records almost no visits). Weather: highs average 38°F and lows 22°F, with 2.6″ of precipitation and 9.3 hours of daylight. Headline access is typically closed this month — see the access warning below. Computed from NPS and NOAA data.

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Bring for Isle Royale in November

Insulated jacket, beanie and glovesSee it on AmazonWhy: nights average 22°F, below freezing.
Packable rain jacketSee it on AmazonWhy: 2.6″ of precipitation is normal this month.
Traction devices (microspikes) and gaitersSee it on AmazonWhy: 7″ normal snowfall.

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Access warning: Isle Royale is the only national park that fully closes: no visitor access Nov 1 – mid-April. Ferries/seaplanes run roughly May–October. That typically affects November — verify before planning. Current NPS conditions →

Aerial View of Belle Harbor — Isle Royale National Park — photo: NPS Photo / Paul Brown (public-domain NPS media)

Crowds in November

NPS records almost no recreation visits to Isle Royale in November (2021–2025 average), against 8,468 in August, the peak month. Plan lodging and entries with that in mind — crowds are thin by this park's standards.

Average visits (November)

0 (mean 2021–2025, NPS)

Share of the year

under 1% of annual visitation

vs. peak (August)

Weather & daylight

Expect cold conditions (highs average 38°F), and nights drop below freezing (lows average 22°F). Average precipitation is 2.6″ for the month. Normal snowfall is 7″ — expect snow on the ground. Mid-month daylight runs 9.3 hours.

NOAA 1991–2020 monthly normals, station GRAND PORTAGE, MN US (36 mi from park coordinates, 730 ft elevation) — conditions vary inside the park, especially with elevation. Daylight computed for the 15th of November.

What to pack for Isle Royale in November

Computed from the month's weather normals above — not a generic list.

Insulated jacket, beanie and gloves — nights average 22°F, below freezing
Packable rain jacket — 2.6″ of precipitation is normal this month
Traction devices (microspikes) and gaiters — 7″ normal snowfall (compare other options)
Headlamp — only 9.3 hours of daylight in mid-November (compare other options)
Insulated, waterproof boots — plus navigation and a basic first-aid kit — 7″ of snow is normal this month

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Looking for a better window? The computed best months for Isle Royale are May and September.

Also at their best in November

Other parks whose computed November verdict is a best window — same NPS × NOAA formula:

Canyonlands in November — 35% of peak crowds, highs 55°F, score 72/100
Mammoth Cave in November — 33% of peak crowds, highs 61°F, score 72/100
New River Gorge in November — 33% of peak crowds, highs 54°F, score 72/100
Petrified Forest in November — 45% of peak crowds, highs 58°F, score 72/100

Common questions

Is Isle Royale crowded in November?

No — November is one of the quieter months: under 1% of the August peak, with almost no recorded visits (NPS, 2021–2025).

What is the weather like in Isle Royale in November?

Average highs of 38°F, lows of 22°F, 2.6″ of precipitation (NOAA 1991–2020 normals, GRAND PORTAGE, MN US station).

What should I pack for Isle Royale in November?

Insulated jacket, beanie and gloves; Packable rain jacket; Traction devices (microspikes) and gaiters — the full weather-computed list is on this page.

Is everything open at Isle Royale in November?

Isle Royale is the only national park that fully closes: no visitor access Nov 1 – mid-April. Ferries/seaplanes run roughly May–October. Always check the park's live NPS alerts for current conditions.

See also: the best national parks to visit in November · Last verified 2026-09-24