Frost dates in Gilroy, CA
The average last spring frost in Gilroy is around February 22 and the first fall frost is around November 24. That gives Gilroy an average growing season of about 276 days.
Last spring frost
| Early (10% chance after) | January 22 |
|---|---|
| Average (50%) | February 22 |
| Late (90%) | March 30 |
First fall frost
| Early (10%) | November 5 |
|---|---|
| Average (50%) | November 24 |
| Late (90% chance before) | December 18 |