Frost dates in Westminster, CA
The average last spring frost in Westminster is around February 24 and the first fall frost is around December 6. That gives Westminster an average growing season of about 286 days.
Last spring frost
| Early (10% chance after) | January 15 |
|---|---|
| Average (50%) | February 24 |
| Late (90%) | March 30 |
First fall frost
| Early (10%) | November 8 |
|---|---|
| Average (50%) | December 6 |
| Late (90% chance before) | December 23 |