Frost dates in La Mesa, CA
The average last spring frost in La Mesa is around January 22 and the first fall frost is around December 17. That gives La Mesa an average growing season of about 330 days.
Last spring frost
| Early (10% chance after) | January 4 |
|---|---|
| Average (50%) | January 22 |
| Late (90%) | March 9 |
First fall frost
| Early (10%) | November 22 |
|---|---|
| Average (50%) | December 17 |
| Late (90% chance before) | December 26 |