Lassen Volcanic National Park in August
In August, Lassen Volcanic National Park averages a high of 78°F and a low of 45°F, with 0.3 inches of precipitation (rain plus melted snow). About 69,000 people visit, the 3rd busiest of 12 (busy). Days are 13 hours 47 minutes long.
- Quiet
- Moderate
- Busy
- Very busy
- Few or no visits (may be closed)
- Best months
- High / low
- 78° / 45°F
- Precipitation
- 0.3in
- Snow
- –in
- Daylight
- 13h 47m
- Visitors
- 69,000
- Crowds
- Busy
Best months for weather and crowds instead: May (moderate), September (busy) and October (moderate).
Higher or lower in the park, expect a different picture: Burney, CA at 3,198 ft averages a August high of 88°F and a low of 44°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 August
| Park | High / low °F | Crowds | Weather |
|---|---|---|---|
| Redwood National Park | 66° / 51° | Busy | Mild |
| Crater Lake National Park | 69° / 42° | Very busy | Mild |
| Point Reyes National Seashore | 63° / 52° | Very busy | Mild |
| Golden Gate National Recreation Area | 83° / 54° | Very busy | Hot |
| San Francisco Maritime National Historical Park | 68° / 56° | Very busy | Mild |
Closures, reservations and alerts: Lassen Volcanic National Park on nps.gov
All twelve months at Lassen Volcanic · National parks to visit in August