Frost dates in Rocky River, OH
The average last spring frost in Rocky River is around April 27 and the first fall frost is around October 29. That gives Rocky River an average growing season of about 185 days.
Last spring frost
| Early (10% chance after) | April 12 |
|---|---|
| Average (50%) | April 27 |
| Late (90%) | May 11 |
First fall frost
| Early (10%) | October 9 |
|---|---|
| Average (50%) | October 29 |
| Late (90% chance before) | November 9 |