Frost dates in West Harrison, IN
The average last spring frost in West Harrison is around April 18 and the first fall frost is around October 11. That gives West Harrison an average growing season of about 176 days.
Last spring frost
| Early (10% chance after) | April 8 |
|---|---|
| Average (50%) | April 18 |
| Late (90%) | May 8 |
First fall frost
| Early (10%) | September 30 |
|---|---|
| Average (50%) | October 11 |
| Late (90% chance before) | October 26 |