Frost dates in Boswell, IN
The average last spring frost in Boswell is around April 26 and the first fall frost is around October 11. That gives Boswell an average growing season of about 168 days.
Last spring frost
| Early (10% chance after) | April 16 |
|---|---|
| Average (50%) | April 26 |
| Late (90%) | May 16 |
First fall frost
| Early (10%) | September 24 |
|---|---|
| Average (50%) | October 11 |
| Late (90% chance before) | October 23 |