Glacier Bay in June: Crowds, Weather & What to Pack

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June is one of the best months of the year to visit Glacier Bay National Park: crowds run 92% of the July peak (107,978 average visits), days average 56°F with 18.4 hours of daylight. Computed from NPS and NOAA data.

Crowds in June

Glacier Bay averages 107,978 recreation visits in June — 92% of what July, the peak month, draws. That crowd level sets the tone for parking, permits and lodging — book early and start days at dawn.

Weather & daylight

Daytime stays cool (highs average 56°F), and nights stay mild (lows average 46°F). Average precipitation is 3.6″ for the month. Mid-month daylight runs 18.4 hours.

NOAA 1991–2020 monthly normals, station ELFIN COVE, AK US (42 mi from park coordinates, 20 ft elevation) — conditions vary inside the park, especially with elevation. Daylight computed for the 15th of June.

What to pack for Glacier Bay in June

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

• Rain shell + pack cover — 3.6″ of precipitation is normal this month
• Sturdy broken-in footwear, navigation and a basic first-aid kit — every park, every month
• Bear spray — recommended by the park in grizzly country (check current park regulations before you carry)

Common questions

See also: the best national parks to visit in June · Last verified 2026-07-16