Frost dates in Boston, IN
The average last spring frost in Boston is around April 26 and the first fall frost is around October 17. That gives Boston an average growing season of about 174 days.
Last spring frost
| Early (10% chance after) | April 10 |
|---|---|
| Average (50%) | April 26 |
| Late (90%) | May 10 |
First fall frost
| Early (10%) | October 2 |
|---|---|
| Average (50%) | October 17 |
| Late (90% chance before) | October 29 |