Frost dates in Sonora, CA
The average last spring frost in Sonora is around April 10 and the first fall frost is around November 11. That gives Sonora an average growing season of about 215 days.
Last spring frost
| Early (10% chance after) | March 12 |
|---|---|
| Average (50%) | April 10 |
| Late (90%) | May 6 |
First fall frost
| Early (10%) | October 22 |
|---|---|
| Average (50%) | November 11 |
| Late (90% chance before) | November 30 |