Frost dates in Chillicothe, OH
The average last spring frost in Chillicothe is around April 26 and the first fall frost is around October 17. That gives Chillicothe an average growing season of about 174 days.
Last spring frost
| Early (10% chance after) | April 11 |
|---|---|
| Average (50%) | April 26 |
| Late (90%) | May 10 |
First fall frost
| Early (10%) | October 3 |
|---|---|
| Average (50%) | October 17 |
| Late (90% chance before) | November 1 |