Frost dates in Vacaville, CA
The average last spring frost in Vacaville is around February 26 and the first fall frost is around November 26. That gives Vacaville an average growing season of about 274 days.
Last spring frost
| Early (10% chance after) | January 10 |
|---|---|
| Average (50%) | February 26 |
| Late (90%) | April 1 |
First fall frost
| Early (10%) | November 12 |
|---|---|
| Average (50%) | November 26 |
| Late (90% chance before) | December 10 |