Lassen Volcanic · August
Lassen Volcanic in August
August is a busy time to visit Lassen Volcanic — quieter than July, about as busy as September.
Expect heavy crowds (7/10), highs near 78°F, about 13.8 hours of daylight, and 1 seasonal closure in effect.
Crowd score
How busy it gets
Approaching peak season — expect full lots by mid-morning and busy overlooks.
About 68% of this park's busiest month.
Source: NPS Visitor Use Statistics, 2023–2025
Data: NPS visitation 2023–2025 · crowd scores computed Oct 2026 · alerts checked Oct 18, 2026. How this is calculated →
Computed from federal data · Methodology by Sharon Ben-Moshe
Visitation
Typical August visits vs. the year
August draws about 16% of Lassen Volcanic’s yearly visitors.
Typical monthly recreation visits, averaged over the most recent three full years.
Source: NPS Visitor Use Statistics, 2023–2025
Weather
August weather
- Avg high
- 78°F
- Avg low
- 45°F
- Precipitation
- 0.3"
- Sunrise
- 5:16 AM
- Sunset
- 7:02 PM
- Daylight
- 13.8h
Source: NOAA 1991–2020 climate normals, MANZANITA LAKE, CA US
What's open
Lassen Volcanic in August: access
The park is always open. Road access is limited during the winter season, approximately November through May, due to snow.
Seasonal closures may apply:
- Information
Juniper Lake Campground Closed
The Juniper Lake Campground and day use area is currently closed for maintenance and campground improvement projects. Potable water is not available in the campground. The Juniper Lake Road (access to lake and trailheads) is open. Please drive with caution as road crews and contractors may be actively working along the roadway.
Details on nps.gov →
Source: NPS Data API
Conditions
Current alerts
- Information
Visitor Phone Line Intermittent
You may experience problems reaching park staff via the main visitor phone line which functions intermittently. You may email the park at lavo_information@nps.gov with general park questions.
- Information
EV charging station unavailable
The Electric Vehicle charging station is non-functional. There is no timeline for when it may become available. Please plan accordingly.
Details on nps.gov →
Source: NPS Data API
Context
Lassen Volcanic crowds across the year
Alternatives
Quieter nearby in August
FAQ
Lassen Volcanic in August
How busy is Lassen Volcanic in August?
August rates 7/10 for crowds (Busy) at Lassen Volcanic National Park — about 68% of its busiest month. Typical recreation visits: 69,386.
What is the weather like at Lassen Volcanic in August?
In August, Lassen Volcanic averages a high of 78°F and a low of 45°F, with about 0.3 inches of precipitation.
How much does it cost to visit Lassen Volcanic?
Entrance to Lassen Volcanic costs $30 (Admits one private, non-commercial vehicle. Valid for up to 7 consecutive days from day of purchase at Lassen Volcanic National Park. When entrance station is not staffed, digital passes may be purchased online at recreation.gov.).
When is Lassen Volcanic least crowded?
Lassen Volcanic is quietest in January and February. If your dates are flexible, those months bring the thinnest crowds of the year.
How many hours of daylight does Lassen Volcanic get in August?
In mid-August, Lassen Volcanic gets about 13.8 hours of daylight, with sunrise around 5:16 AM and sunset around 7:02 PM.