Mount Lassen (3187m) — May
Monthly conditions and weather data
Weather Quality
1
Temperature
-27–-17°C
Precipitation
203 mm
Crowd Level
1
Snow Likelihood
5/5
Daylight Hours
14.3h
Avg Temperature
-22°C
Summary
May on Mount Lassen: frigid conditions (-27C to -17C), wet (203mm). Heavy snow likely.