Frost dates in Windsor, CA
The average last spring frost in Windsor is around March 5 and the first fall frost is around November 15. That gives Windsor an average growing season of about 255 days.
Last spring frost
| Early (10% chance after) | February 7 |
|---|---|
| Average (50%) | March 5 |
| Late (90%) | April 18 |
First fall frost
| Early (10%) | November 1 |
|---|---|
| Average (50%) | November 15 |
| Late (90% chance before) | December 14 |