Crater Lake National Park in May
In May, Crater Lake National Park averages a high of 49°F and a low of 29°F, with 3.6 inches of precipitation (rain plus melted snow) and 14.5 inches of snowfall. About 31,000 people visit, the 6th busiest of 12 (quiet). Days are 14 hours 37 minutes long.
- Quiet
- Moderate
- Busy
- Very busy
- Few or no visits (may be closed)
- Best months
- High / low
- 49° / 29°F
- Precipitation
- 3.6in
- Snow
- 14.5in
- Daylight
- 14h 37m
- Visitors
- 31,000
- Crowds
- Quiet
Best months for weather and crowds instead: June (moderate), August (very busy) and September (moderate).
Higher or lower in the park, expect a different picture: Chiloquin 12 NW (fort Klamath), OR at 4,180 ft averages a May high of 66°F and a low of 33°F.
Weather 1991–2020 averages at Crater Lake Nps HQ, OR, 3.3 miles from the park's center, 6,485 ft. Second station lower down: Chiloquin 12 NW (fort Klamath), OR, 4,180 ft, 18.1 miles. Visitors National Park Service recreation visits, average of 2023–2025. Updated .
Other parks in May
| Park | High / low °F | Crowds | Weather |
|---|---|---|---|
| Redwood National Park | 61° / 47° | Busy | Mild |
| Lassen Volcanic National Park | 61° / 35° | Moderate | Mild |
| Fort Vancouver National Historic Site | 68° / 48° | Very busy | Mild |
| Mount Rainier National Park | 48° / 33° | Quiet | Cool |
| Point Reyes National Seashore | 58° / 48° | Busy | Mild |
Closures, reservations and alerts: Crater Lake National Park on nps.gov
All twelve months at Crater Lake · National parks to visit in May