Frost dates in New Castle, IN
The average last spring frost in New Castle is around April 28 and the first fall frost is around October 12. That gives New Castle an average growing season of about 167 days.
Last spring frost
| Early (10% chance after) | April 12 |
|---|---|
| Average (50%) | April 28 |
| Late (90%) | May 11 |
First fall frost
| Early (10%) | September 30 |
|---|---|
| Average (50%) | October 12 |
| Late (90% chance before) | October 26 |