Mount Rainier National Park in January
In January, Mount Rainier National Park averages a high of 35°F and a low of 24°F, with 17.2 inches of precipitation (rain plus melted snow). About 21,000 people visit, the 11th busiest of 12 (quiet). Days are 8 hours 55 minutes long.
- Quiet
- Moderate
- Busy
- Very busy
- Few or no visits (may be closed)
- Best months
- High / low
- 35° / 24°F
- Precipitation
- 17.2in
- Snow
- –in
- Daylight
- 8h 55m
- Visitors
- 21,000
- Crowds
- Quiet
Best months for weather and crowds instead: July (very busy), August (very busy) and September (moderate).
Higher or lower in the park, expect a different picture: Longmire Rainier Nps, WA at 2,762 ft averages a January high of 37°F and a low of 26°F.
Weather 1991–2020 averages at Rainier Paradise RS, WA, 5.1 miles from the park's center, 5,427 ft. Second station lower down: Longmire Rainier Nps, WA, 2,762 ft, 8.8 miles. Visitors National Park Service recreation visits, average of 2023–2025. Updated .
Other parks in January
| Park | High / low °F | Crowds | Weather |
|---|---|---|---|
| Fort Vancouver National Historic Site | 47° / 34° | Moderate | Cool |
| Olympic National Park | 41° / 33° | Quiet | Cool |
| Ross Lake National Recreation Area | 38° / 30° | Quiet | Cold |
| North Cascades National Park | 40° / 32° | Few or no visits | Cool |
| Lake Roosevelt National Recreation Area | 32° / 19° | Quiet | Cold |
Closures, reservations and alerts: Mount Rainier National Park on nps.gov
All twelve months at Mount Rainier · National parks to visit in January