Frost dates in Shelbyville, IN
The average last spring frost in Shelbyville is around April 21 and the first fall frost is around October 17. That gives Shelbyville an average growing season of about 179 days.
Last spring frost
| Early (10% chance after) | April 6 |
|---|---|
| Average (50%) | April 21 |
| Late (90%) | May 10 |
First fall frost
| Early (10%) | October 1 |
|---|---|
| Average (50%) | October 17 |
| Late (90% chance before) | November 3 |