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: 2 hrDIRECTIONS INFO
CAUTION
Road Closures May Be in Effect
Weather patterns in October and November may cause the park road to close temporarily due to snow. Alerts may not be updated in a timely manner due to the lapse in appropriations. Please check local weather forecasts and plan accordingly when considering a trip to Lassen in the fall.
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.
CAUTION
Lasting Effects from 2021 Dixie Fire
Some facilities, infrastructure, and areas remain closed; please adhere to all closure signs. In re-opened areas, hazards like fallen trees, loose/falling rock, undefined trails, and hidden stump holes exist. Click more to learn about burned area safety.
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