Lassen Volcanic National Park

Weather in Lassen Volcanic

Lassen Volcanic National Park’s weather defines the park. Huge amounts of snow fall each winter, starting in October, and not melting in many places until July, if at all. However, temperatures, even in winter, are usually relatively mild. Summers are warm and dry with cool nights. The statistics below are taken from the town of Chester, south and east of the park. Chester is a bit warmer than the average location in the park.

Current Weather in the Lassen Volcanic Region

Averages and Records at Lassen Volcanic

MonthAvg HighAvg LowRecord HighRecord LowAvg Precip
January422264-68.97
February432367-78.91
March472573-28.14
April53287954.35
May623386163.23
June713994251.37
July804299270.14
August8041100280.23
September7337100191.17
October623188153.70
November47267737.04
December422265-910.64

All temperatures are reported in Fahrenheit. All precipitation is reported in inches.