Ross Lake National Recreation Area in May
In May, Ross Lake National Recreation Area averages a high of 65°F and a low of 45°F, with 2.1 inches of precipitation (rain plus melted snow). About 117,000 people visit, the 6th busiest of 12 (moderate). Days are 15 hours 14 minutes long.
- Quiet
- Moderate
- Busy
- Very busy
- Few or no visits (may be closed)
- Best months
- High / low
- 65° / 45°F
- Precipitation
- 2.1in
- Snow
- 0in
- Daylight
- 15h 14m
- Visitors
- 117,000
- Crowds
- Moderate
May is one of the best months to visit: mild weather with moderate crowds.
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 May
| Park | High / low °F | Crowds | Weather |
|---|---|---|---|
| North Cascades National Park | 67° / 46° | Quiet | Mild |
| Olympic National Park | 63° / 43° | Busy | Mild |
| Mount Rainier National Park | 48° / 33° | Quiet | Cool |
| Lake Roosevelt National Recreation Area | 65° / 39° | Moderate | Mild, wet |
| Fort Vancouver National Historic Site | 68° / 48° | Very busy | Mild |
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 May