Frost dates in Port William, OH
The average last spring frost in Port William is around April 26 and the first fall frost is around October 14. That gives Port William an average growing season of about 171 days.
Last spring frost
| Early (10% chance after) | April 11 |
|---|---|
| Average (50%) | April 26 |
| Late (90%) | May 13 |
First fall frost
| Early (10%) | September 26 |
|---|---|
| Average (50%) | October 14 |
| Late (90% chance before) | October 28 |