Frost dates in Mount Vernon, KY
The average last spring frost in Mount Vernon is around April 24 and the first fall frost is around October 17. That gives Mount Vernon an average growing season of about 176 days.
Last spring frost
| Early (10% chance after) | April 9 |
|---|---|
| Average (50%) | April 24 |
| Late (90%) | May 9 |
First fall frost
| Early (10%) | October 4 |
|---|---|
| Average (50%) | October 17 |
| Late (90% chance before) | October 30 |