Frost dates in Merrionette Park, IL
The average last spring frost in Merrionette Park is around April 17 and the first fall frost is around October 27. That gives Merrionette Park an average growing season of about 193 days.
Last spring frost
| Early (10% chance after) | April 3 |
|---|---|
| Average (50%) | April 17 |
| Late (90%) | May 7 |
First fall frost
| Early (10%) | October 10 |
|---|---|
| Average (50%) | October 27 |
| Late (90% chance before) | November 10 |