Frost dates in Pleasanton, CA
The average last spring frost in Pleasanton is around February 25 and the first fall frost is around November 29. That gives Pleasanton an average growing season of about 278 days.
Last spring frost
| Early (10% chance after) | January 9 |
|---|---|
| Average (50%) | February 25 |
| Late (90%) | April 4 |
First fall frost
| Early (10%) | November 18 |
|---|---|
| Average (50%) | November 29 |
| Late (90% chance before) | December 11 |