Ross Lake National Recreation Area in December
In December, Ross Lake National Recreation Area averages a high of 38°F and a low of 31°F, with 9.2 inches of precipitation (rain plus melted snow) and 23.7 inches of snowfall. About 6,200 people visit, the quietest month. Days are 8 hours 17 minutes long.
- Quiet
- Moderate
- Busy
- Very busy
- Few or no visits (may be closed)
- Best months
- High / low
- 38° / 31°F
- Precipitation
- 9.2in
- Snow
- 23.7in
- Daylight
- 8h 17m
- Visitors
- 6,200
- Crowds
- Few or no visits
Best months for weather and crowds instead: April (quiet), May (moderate) and August (moderate).
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 Ross Lake National Recreation Area on nps.gov before you plan.
Weather 1991–2020 averages at Ross Dam, WA, 4.2 miles from the park's center, 1,236 ft. Visitors National Park Service recreation visits, average of 2023–2025. Updated .
Other parks in December
| Park | High / low °F | Crowds | Weather |
|---|---|---|---|
| North Cascades National Park | 40° / 33° | 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: Ross Lake National Recreation Area on nps.gov
All twelve months at Ross Lake National Recreation Area · National parks to visit in December