Frost dates in Cornell, IL
The average last spring frost in Cornell is around April 24 and the first fall frost is around October 17. That gives Cornell an average growing season of about 176 days.
Last spring frost
| Early (10% chance after) | April 7 |
|---|---|
| Average (50%) | April 24 |
| Late (90%) | May 11 |
First fall frost
| Early (10%) | September 24 |
|---|---|
| Average (50%) | October 17 |
| Late (90% chance before) | November 1 |