Frost dates in Cortland, NY
The average last spring frost in Cortland is around May 10 and the first fall frost is around October 9. That gives Cortland an average growing season of about 152 days.
Last spring frost
| Early (10% chance after) | April 28 |
|---|---|
| Average (50%) | May 10 |
| Late (90%) | May 26 |
First fall frost
| Early (10%) | September 24 |
|---|---|
| Average (50%) | October 9 |
| Late (90% chance before) | October 24 |