Frost dates in Marion, OH
The average last spring frost in Marion is around April 28 and the first fall frost is around October 12. That gives Marion an average growing season of about 167 days.
Last spring frost
| Early (10% chance after) | April 11 |
|---|---|
| Average (50%) | April 28 |
| Late (90%) | May 10 |
First fall frost
| Early (10%) | September 24 |
|---|---|
| Average (50%) | October 12 |
| Late (90% chance before) | October 28 |