Glacier in July: Crowds, Weather & What to Pack
Peak crowds · VisitWhen score 65/100 · #5 of 12 months
July is peak season — expect the year's biggest crowds at Glacier National Park: crowds run 100% of the July peak (761,346 average visits). Weather: highs average 73°F and lows 46°F, with 1.2″ of precipitation and 15.8 hours of daylight. Computed from NPS and NOAA data.
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Bring for Glacier in July
- A light layer you can shed by midday (long sleeve or windbreaker)See it on AmazonWhy: a 27°F swing between the average low of 46°F and high of 73°F.
- Bear spraySee it on AmazonWhy: recommended by the park in grizzly country (check current park regulations before you carry).
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Crowds in July
July is Glacier's busiest month — an average of 761,346 recreation visits (2021–2025), the park's crowd peak. Plan lodging and entries with that in mind — book early and start days at dawn.
Weather & daylight
Daytime temperatures are comfortable (highs average 73°F), and nights stay mild (lows average 46°F). It is typically dry (1.2″ of precipitation). Mid-month daylight runs 15.8 hours.
NOAA 1991–2020 monthly normals, station ST. MARY 1 SSW, MT US (17 mi from park coordinates, 4,555 ft elevation) — conditions vary inside the park, especially with elevation. Daylight computed for the 15th of July.
What to pack for Glacier in July
Computed from the month's weather normals above — not a generic list.
- A light layer you can shed by midday (long sleeve or windbreaker) — a 27°F swing between the average low of 46°F and high of 73°F
- 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)
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Looking for a better window? The computed best months for Glacier are June and September.
Common questions
Is Glacier crowded in July?
Yes — July runs 100% of Glacier's peak, averaging 761,346 recreation visits (NPS, 2021–2025).
What is the weather like in Glacier in July?
Average highs of 73°F, lows of 46°F, 1.2″ of precipitation (NOAA 1991–2020 normals, ST. MARY 1 SSW, MT US station).
What should I pack for Glacier in July?
A light layer you can shed by midday (long sleeve or windbreaker); Sturdy broken-in footwear, navigation and a basic first-aid kit; Bear spray — the full weather-computed list is on this page.
See also: the best national parks to visit in July · Last verified 2026-09-24