Frost dates in Big Bear Lake, CA

The average last spring frost in Big Bear Lake is around May 31 and the first fall frost is around September 24. That gives Big Bear Lake an average growing season of about 116 days.

Last spring frost

Early (10% chance after)May 15
Average (50%)May 31
Late (90%)June 27

First fall frost

Early (10%)September 1
Average (50%)September 24
Late (90% chance before)October 14

See the Big Bear Lake planting calendar →