Frost dates in Antioch, IL
The average last spring frost in Antioch is around May 2 and the first fall frost is around October 12. That gives Antioch an average growing season of about 163 days.
Last spring frost
| Early (10% chance after) | April 18 |
|---|---|
| Average (50%) | May 2 |
| Late (90%) | May 16 |
First fall frost
| Early (10%) | September 26 |
|---|---|
| Average (50%) | October 12 |
| Late (90% chance before) | October 29 |