Frost dates in Union, AL
The average last spring frost in Union is around January 31 and the first fall frost is around November 14. That gives Union an average growing season of about 288 days.
Last spring frost
| Early (10% chance after) | January 30 |
|---|---|
| Average (50%) | January 31 |
| Late (90%) | March 16 |
First fall frost
| Early (10%) | October 29 |
|---|---|
| Average (50%) | November 14 |
| Late (90% chance before) | December 1 |