North Cascades National Park in December
In December, North Cascades National Park averages a high of 40°F and a low of 33°F, with 11.7 inches of precipitation (rain plus melted snow) and 6.3 inches of snowfall. About 22 people visit, the 11th busiest of 12 (few or no visits). Days are 8 hours 16 minutes long.
- Quiet
- Moderate
- Busy
- Very busy
- Few or no visits (may be closed)
- Best months
- High / low
- 40° / 33°F
- Precipitation
- 11.7in
- Snow
- 6.3in
- Daylight
- 8h 16m
- Visitors
- 22
- Crowds
- Few or no visits
Best months for weather and crowds instead: May (quiet), June (quiet) 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 North Cascades National Park on nps.gov before you plan.
Weather 1991–2020 averages at Newhalem, WA, 11.6 miles from the park's center, 525 ft. Visitors National Park Service recreation visits, average of 2023–2025. Updated .
Other parks in December
| Park | High / low °F | Crowds | Weather |
|---|---|---|---|
| Ross Lake National Recreation Area | 38° / 31° | Few or no visits | Cold |
| Olympic National Park | 41° / 33° | Quiet | Cool |
| Mount Rainier National Park | 33° / 22° | Quiet | Cold |
| Lake Roosevelt National Recreation Area | 31° / 19° | Quiet | Cold |
| Fort Vancouver National Historic Site | 47° / 35° | Quiet | Cool |
Closures, reservations and alerts: North Cascades National Park on nps.gov
All twelve months at North Cascades · National parks to visit in December