Lassen Volcanic National Park in May
In May, Lassen Volcanic National Park averages a high of 61°F and a low of 35°F, with 2.9 inches of precipitation (rain plus melted snow). About 31,000 people visit, the 6th busiest of 12 (moderate). Days are 14 hours 24 minutes long.
- Quiet
- Moderate
- Busy
- Very busy
- Few or no visits (may be closed)
- Best months
- High / low
- 61° / 35°F
- Precipitation
- 2.9in
- Snow
- –in
- Daylight
- 14h 24m
- Visitors
- 31,000
- Crowds
- Moderate
May is one of the best months to visit: mild weather with moderate crowds.
Higher or lower in the park, expect a different picture: Burney, CA at 3,198 ft averages a May high of 72°F and a low of 37°F.
Weather 1991–2020 averages at Manzanita Lake, CA, 9.5 miles from the park's center, 5,750 ft. Second station lower down: Burney, CA, 3,198 ft, 29.5 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 |
| Crater Lake National Park | 49° / 29° | Quiet | Cool |
| Point Reyes National Seashore | 58° / 48° | Busy | Mild |
| Golden Gate National Recreation Area | 74° / 50° | Very busy | Mild |
| San Francisco Maritime National Historical Park | 64° / 51° | Busy | Mild |
Closures, reservations and alerts: Lassen Volcanic National Park on nps.gov
All twelve months at Lassen Volcanic · National parks to visit in May