Frost dates in Union, NE
The average last spring frost in Union is around April 21 and the first fall frost is around October 14. That gives Union an average growing season of about 176 days.
Last spring frost
| Early (10% chance after) | April 9 |
|---|---|
| Average (50%) | April 21 |
| Late (90%) | May 4 |
First fall frost
| Early (10%) | October 2 |
|---|---|
| Average (50%) | October 14 |
| Late (90% chance before) | October 29 |