Glacier National Park in August
In August, Glacier National Park averages a high of 79°F and a low of 48°F, with 1.2 inches of precipitation (rain plus melted snow). About 707,000 people visit, the 2nd busiest of 12 (very busy). Days are 14 hours 21 minutes long.
- Quiet
- Moderate
- Busy
- Very busy
- Few or no visits (may be closed)
- Best months
- High / low
- 79° / 48°F
- Precipitation
- 1.2in
- Snow
- 0in
- Daylight
- 14h 21m
- Visitors
- 707,000
- Crowds
- Very busy
August is one of the best months to visit: mild weather with very busy crowds.
Weather 1991–2020 averages at W Glacier, MT, 13.3 miles from the park's center, 3,148 ft. Visitors National Park Service recreation visits, average of 2023–2025. Updated .
Other parks in August
| Park | High / low °F | Crowds | Weather |
|---|---|---|---|
| Lake Roosevelt National Recreation Area | 83° / 48° | Very busy | Hot |
| Yellowstone National Park | 71° / 37° | Very busy | Mild |
| Ross Lake National Recreation Area | 79° / 56° | Moderate | Mild |
| John D. Rockefeller, Jr., Memorial Parkway | 76° / 35° | Very busy | Mild |
| North Cascades National Park | 79° / 54° | Busy | Mild |
Closures, reservations and alerts: Glacier National Park on nps.gov
All twelve months at Glacier · National parks to visit in August