Frost dates in Plymouth, CA
The average last spring frost in Plymouth is around March 7 and the first fall frost is around December 4. That gives Plymouth an average growing season of about 272 days.
Last spring frost
| Early (10% chance after) | January 22 |
|---|---|
| Average (50%) | March 7 |
| Late (90%) | April 26 |
First fall frost
| Early (10%) | November 8 |
|---|---|
| Average (50%) | December 4 |
| Late (90% chance before) | December 22 |