North Cascades National Park in May
In May, North Cascades National Park averages a high of 67°F and a low of 46°F, with 3.0 inches of precipitation (rain plus melted snow). About 1,100 people visit, the 6th busiest of 12 (quiet). Days are 15 hours 14 minutes long.
- Quiet
- Moderate
- Busy
- Very busy
- Few or no visits (may be closed)
- Best months
- High / low
- 67° / 46°F
- Precipitation
- 3.0in
- Snow
- 0in
- Daylight
- 15h 14m
- Visitors
- 1,100
- Crowds
- Quiet
May is one of the best months to visit: mild weather with quiet crowds.
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 May
| Park | High / low °F | Crowds | Weather |
|---|---|---|---|
| Ross Lake National Recreation Area | 65° / 45° | Moderate | 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: North Cascades National Park on nps.gov
All twelve months at North Cascades · National parks to visit in May