Frost dates in Ossian, IN
The average last spring frost in Ossian is around April 23 and the first fall frost is around October 16. That gives Ossian an average growing season of about 176 days.
Last spring frost
| Early (10% chance after) | April 9 |
|---|---|
| Average (50%) | April 23 |
| Late (90%) | May 8 |
First fall frost
| Early (10%) | September 29 |
|---|---|
| Average (50%) | October 16 |
| Late (90% chance before) | October 26 |