Frost dates in Mount Vernon, AL
The average last spring frost in Mount Vernon is around March 5 and the first fall frost is around November 21. That gives Mount Vernon an average growing season of about 261 days.
Last spring frost
| Early (10% chance after) | February 12 |
|---|---|
| Average (50%) | March 5 |
| Late (90%) | March 22 |
First fall frost
| Early (10%) | November 4 |
|---|---|
| Average (50%) | November 21 |
| Late (90% chance before) | December 8 |