Frost dates in Sonora, TX
The average last spring frost in Sonora is around April 5 and the first fall frost is around November 4. That gives Sonora an average growing season of about 213 days.
Last spring frost
| Early (10% chance after) | March 13 |
|---|---|
| Average (50%) | April 5 |
| Late (90%) | April 19 |
First fall frost
| Early (10%) | October 20 |
|---|---|
| Average (50%) | November 4 |
| Late (90% chance before) | November 23 |