Frost dates in Speedway, IN
The average last spring frost in Speedway is around April 10 and the first fall frost is around October 28. That gives Speedway an average growing season of about 201 days.
Last spring frost
| Early (10% chance after) | March 28 |
|---|---|
| Average (50%) | April 10 |
| Late (90%) | April 23 |
First fall frost
| Early (10%) | October 14 |
|---|---|
| Average (50%) | October 28 |
| Late (90% chance before) | November 5 |