Glacier National Park in December
In December, Glacier National Park averages a high of 29°F and a low of 20°F, with 3.2 inches of precipitation (rain plus melted snow) and 31.4 inches of snowfall. About 20,000 people visit, the 10th busiest of 12 (few or no visits). Days are 8 hours 18 minutes long.
- Quiet
- Moderate
- Busy
- Very busy
- Few or no visits (may be closed)
- Best months
- High / low
- 29° / 20°F
- Precipitation
- 3.2in
- Snow
- 31.4in
- Daylight
- 8h 18m
- Visitors
- 20,000
- Crowds
- Few or no visits
Best months for weather and crowds instead: August (very busy) and September (busy).
Few or no visitors in December: fewer than 3% of the busiest month's visits. Roads, ferries or the whole park may be closed; check Glacier National Park on nps.gov before you plan.
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 December
| Park | High / low °F | Crowds | Weather |
|---|---|---|---|
| Lake Roosevelt National Recreation Area | 31° / 19° | Quiet | Cold |
| Yellowstone National Park | 23° / 3° | Quiet | Cold |
| Ross Lake National Recreation Area | 38° / 31° | Few or no visits | Cold |
| John D. Rockefeller, Jr., Memorial Parkway | 25° / 2° | Few or no visits | Cold |
| North Cascades National Park | 40° / 33° | Few or no visits | Cold |
Closures, reservations and alerts: Glacier National Park on nps.gov
All twelve months at Glacier · National parks to visit in December