Frost dates in Port Jefferson, OH
The average last spring frost in Port Jefferson is around April 26 and the first fall frost is around October 15. That gives Port Jefferson an average growing season of about 172 days.
Last spring frost
| Early (10% chance after) | April 14 |
|---|---|
| Average (50%) | April 26 |
| Late (90%) | May 11 |
First fall frost
| Early (10%) | October 3 |
|---|---|
| Average (50%) | October 15 |
| Late (90% chance before) | October 26 |