Frost dates in Old Washington, OH
The average last spring frost in Old Washington is around April 30 and the first fall frost is around October 15. That gives Old Washington an average growing season of about 168 days.
Last spring frost
| Early (10% chance after) | April 11 |
|---|---|
| Average (50%) | April 30 |
| Late (90%) | May 17 |
First fall frost
| Early (10%) | October 4 |
|---|---|
| Average (50%) | October 15 |
| Late (90% chance before) | October 28 |