Frost dates in Carpentersville, IL
The average last spring frost in Carpentersville is around April 27 and the first fall frost is around October 14. That gives Carpentersville an average growing season of about 170 days.
Last spring frost
| Early (10% chance after) | April 17 |
|---|---|
| Average (50%) | April 27 |
| Late (90%) | May 13 |
First fall frost
| Early (10%) | October 1 |
|---|---|
| Average (50%) | October 14 |
| Late (90% chance before) | October 30 |