Frost dates in Thorsby, AL
The average last spring frost in Thorsby is around March 21 and the first fall frost is around November 12. That gives Thorsby an average growing season of about 236 days.
Last spring frost
| Early (10% chance after) | March 1 |
|---|---|
| Average (50%) | March 21 |
| Late (90%) | April 8 |
First fall frost
| Early (10%) | October 29 |
|---|---|
| Average (50%) | November 12 |
| Late (90% chance before) | November 30 |