Frost dates in Downs, IL
The average last spring frost in Downs is around March 25 and the first fall frost is around October 8. That gives Downs an average growing season of about 197 days.
Last spring frost
| Early (10% chance after) | February 4 |
|---|---|
| Average (50%) | March 25 |
| Late (90%) | April 22 |
First fall frost
| Early (10%) | October 8 |
|---|---|
| Average (50%) | October 8 |
| Late (90% chance before) | October 8 |