Frost dates in Union, KY
The average last spring frost in Union is around April 20 and the first fall frost is around October 21. That gives Union an average growing season of about 184 days.
Last spring frost
| Early (10% chance after) | April 4 |
|---|---|
| Average (50%) | April 20 |
| Late (90%) | May 7 |
First fall frost
| Early (10%) | October 7 |
|---|---|
| Average (50%) | October 21 |
| Late (90% chance before) | November 3 |