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 |