Frost dates in Mill Creek, IL
The average last spring frost in Mill Creek is around April 9 and the first fall frost is around October 27. That gives Mill Creek an average growing season of about 201 days.
Last spring frost
| Early (10% chance after) | March 24 |
|---|---|
| Average (50%) | April 9 |
| Late (90%) | April 23 |
First fall frost
| Early (10%) | October 12 |
|---|---|
| Average (50%) | October 27 |
| Late (90% chance before) | November 8 |