Frost dates in Penn Yan, NY
The average last spring frost in Penn Yan is around April 29 and the first fall frost is around October 22. That gives Penn Yan an average growing season of about 176 days.
Last spring frost
| Early (10% chance after) | April 18 |
|---|---|
| Average (50%) | April 29 |
| Late (90%) | May 13 |
First fall frost
| Early (10%) | October 8 |
|---|---|
| Average (50%) | October 22 |
| Late (90% chance before) | November 3 |