Frost dates in Maroa, IL
The average last spring frost in Maroa is around April 30 and the first fall frost is around October 13. That gives Maroa an average growing season of about 166 days.
Last spring frost
| Early (10% chance after) | April 20 |
|---|---|
| Average (50%) | April 30 |
| Late (90%) | May 19 |
First fall frost
| Early (10%) | September 21 |
|---|---|
| Average (50%) | October 13 |
| Late (90% chance before) | October 24 |