Frost dates in Highland, CA
The average last spring frost in Highland is around February 19 and the first fall frost is around December 8. That gives Highland an average growing season of about 293 days.
Last spring frost
| Early (10% chance after) | January 12 |
|---|---|
| Average (50%) | February 19 |
| Late (90%) | March 21 |
First fall frost
| Early (10%) | November 16 |
|---|---|
| Average (50%) | December 8 |
| Late (90% chance before) | December 25 |