Frost dates in Wilmington, OH
The average last spring frost in Wilmington is around April 17 and the first fall frost is around October 21. That gives Wilmington an average growing season of about 187 days.
Last spring frost
| Early (10% chance after) | April 7 |
|---|---|
| Average (50%) | April 17 |
| Late (90%) | May 4 |
First fall frost
| Early (10%) | October 7 |
|---|---|
| Average (50%) | October 21 |
| Late (90% chance before) | November 1 |