Frost dates in Cincinnati, OH
The average last spring frost in Cincinnati is around April 18 and the first fall frost is around October 22. That gives Cincinnati an average growing season of about 187 days.
Last spring frost
| Early (10% chance after) | April 4 |
|---|---|
| Average (50%) | April 18 |
| Late (90%) | May 4 |
First fall frost
| Early (10%) | October 7 |
|---|---|
| Average (50%) | October 22 |
| Late (90% chance before) | November 4 |