How Crowded Is Glacier in July?
July is a very busy month at Glacier National Park, running about 3.3× the park's average month — roughly 27% of the year's visitors come in July. It is in fact the busiest month of the year here, so expect full parking lots, busy trails and booked-out campgrounds. If crowds bother you, February (the quietest month) or the recommended May are easier. Typical July weather averages a high near 80°F and a low around 50°F, with about 1.4" of precipitation. You'll get about 15.6 hours of daylight to explore.
Frequently Asked Questions
July is very busy at Glacier National Park (about 3.3× the average month). Our best-time score rates it "Fair". The single best month overall is May.
The busiest month is July and the quietest is February. July sits at about 3.3× the park's average, or 27% of annual visitation.
Source: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-06-20.