Lassen Volcanic National Park
CAWEATHER INFO
Weather at Lassen can vary dramatically throughout the year. Average January temperatures are a high of 40.4 °F (4.7 °C) and a low of 20.8 °F (-6.2 °C). Average July temperatures are a high of 88.4 °F and a low of 49.8 °F. Temperatures reach 90 °F or higher on an average of 36.9 days, and drop to 32 ° or lower on an average of 164 days days annually.
Weather @ Lassen Volcaniclast updated: 4 minDIRECTIONS INFO
PARK CLOSURE
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.
moreCAUTION
Hazardous Hiking Conditions on Lassen Peak Trail
Use caution hiking over snow-covered sections on the Lassen Peak trail. Hikers are encouraged to use trekking poles and wear deep-tread hiking boots. Wearing boot spikes will add additional stability over snow-covered sections.
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.
moreINFORMATION
Lassen National Park Highway Open for the 2026 Season
The Lassen National Park Highway (Hwy. 89, 30 miles through the park) opened to through traffic on May 22, 2026. Google maps and other third-party sites may be indicating the road is closed. This does not reflect accurate information.
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.










