Frost dates in Naples, IL
The average last spring frost in Naples is around April 15 and the first fall frost is around October 14. That gives Naples an average growing season of about 182 days.
Last spring frost
| Early (10% chance after) | April 2 |
|---|---|
| Average (50%) | April 15 |
| Late (90%) | May 2 |
First fall frost
| Early (10%) | October 2 |
|---|---|
| Average (50%) | October 14 |
| Late (90% chance before) | October 29 |