Frost dates in Sylvania, OH
The average last spring frost in Sylvania is around April 30 and the first fall frost is around October 12. That gives Sylvania an average growing season of about 165 days.
Last spring frost
| Early (10% chance after) | April 12 |
|---|---|
| Average (50%) | April 30 |
| Late (90%) | May 13 |
First fall frost
| Early (10%) | September 24 |
|---|---|
| Average (50%) | October 12 |
| Late (90% chance before) | October 28 |