Frost dates in Unionville, NY
The average last spring frost in Unionville is around April 18 and the first fall frost is around October 6. That gives Unionville an average growing season of about 171 days.
Last spring frost
| Early (10% chance after) | April 16 |
|---|---|
| Average (50%) | April 18 |
| Late (90%) | April 26 |
First fall frost
| Early (10%) | October 1 |
|---|---|
| Average (50%) | October 6 |
| Late (90% chance before) | November 1 |