Frost dates in Wellsville, NY
The average last spring frost in Wellsville is around May 18 and the first fall frost is around October 10. That gives Wellsville an average growing season of about 145 days.
Last spring frost
| Early (10% chance after) | May 1 |
|---|---|
| Average (50%) | May 18 |
| Late (90%) | May 28 |
First fall frost
| Early (10%) | September 30 |
|---|---|
| Average (50%) | October 10 |
| Late (90% chance before) | October 20 |