Acadia in June: Crowds, Weather & What to Pack

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June is one of the best months of the year to visit Acadia National Park: crowds run 77% of the August peak (612,365 average visits). Weather: highs average 74°F and lows 54°F, with 4.3″ of precipitation and 15.5 hours of daylight. Computed from NPS and NOAA data.

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Bring for Acadia in June

Rain shell + pack coverSee it on AmazonWhy: 4.3″ of precipitation is normal this month.
Waterproof boots — plus navigation and a basic first-aid kitSee it on AmazonWhy: 4.3″ of rain is normal this month.

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Two small, booth-like buildings are positioned across a roadway. Park rangers are seated at open win — Acadia National Park — photo: NPS Photo by Kent Miller (public-domain NPS media)

Crowds in June

Acadia averages 612,365 recreation visits in June — 77% of what August, the peak month, draws. Plan lodging and entries with that in mind — book early and start days at dawn.

Average visits (June)

612,365 (mean 2021–2025, NPS)

Share of the year

15.3% of annual visitation

vs. peak (August)

77%

Weather & daylight

Daytime temperatures are comfortable (highs average 74°F), and nights stay mild (lows average 54°F). This is one of the wetter months (4.3″ of precipitation on average). Mid-month daylight runs 15.5 hours.

NOAA 1991–2020 monthly normals, station ACADIA NP, ME US (2 mi from park coordinates, 470 ft elevation) — conditions vary inside the park, especially with elevation. Daylight computed for the 15th of June.

What to pack for Acadia in June

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

Rain shell + pack cover — 4.3″ of precipitation is normal this month
Waterproof boots — plus navigation and a basic first-aid kit — 4.3″ of rain is normal this month

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Also at their best in June

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

North Cascades in June — 26% of peak crowds, highs 74°F, score 91/100
Katmai in June — 34% of peak crowds, highs 59°F, score 88/100
Crater Lake in June — 44% of peak crowds, highs 57°F, score 84/100
Olympic in June — 48% of peak crowds, highs 67°F, score 78/100

Common questions

Is Acadia crowded in June?

Yes — June runs 77% of Acadia's peak, averaging 612,365 recreation visits (NPS, 2021–2025).

What is the weather like in Acadia in June?

Average highs of 74°F, lows of 54°F, 4.3″ of precipitation (NOAA 1991–2020 normals, ACADIA NP, ME US station).

What should I pack for Acadia in June?

Rain shell + pack cover; Waterproof boots — plus navigation and a basic first-aid kit — the full weather-computed list is on this page.

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