Frost dates in Concord, CA
The average last spring frost in Concord is around February 3 and the first fall frost is around December 6. That gives Concord an average growing season of about 307 days.
Last spring frost
| Early (10% chance after) | January 6 |
|---|---|
| Average (50%) | February 3 |
| Late (90%) | February 24 |
First fall frost
| Early (10%) | November 26 |
|---|---|
| Average (50%) | December 6 |
| Late (90% chance before) | December 22 |