Frost dates in Pleasant Hill, CA
The average last spring frost in Pleasant Hill is around January 18 and the first fall frost is around December 18. That gives Pleasant Hill an average growing season of about 335 days.
Last spring frost
| Early (10% chance after) | January 6 |
|---|---|
| Average (50%) | January 18 |
| Late (90%) | February 15 |
First fall frost
| Early (10%) | November 24 |
|---|---|
| Average (50%) | December 18 |
| Late (90% chance before) | December 24 |