Frost dates in Morris, IL
The average last spring frost in Morris is around April 28 and the first fall frost is around October 10. That gives Morris an average growing season of about 165 days.
Last spring frost
| Early (10% chance after) | April 16 |
|---|---|
| Average (50%) | April 28 |
| Late (90%) | May 14 |
First fall frost
| Early (10%) | September 27 |
|---|---|
| Average (50%) | October 10 |
| Late (90% chance before) | October 29 |