Frost dates in Sidell, IL
The average last spring frost in Sidell is around April 16 and the first fall frost is around October 15. That gives Sidell an average growing season of about 182 days.
Last spring frost
| Early (10% chance after) | April 4 |
|---|---|
| Average (50%) | April 16 |
| Late (90%) | May 2 |
First fall frost
| Early (10%) | October 6 |
|---|---|
| Average (50%) | October 15 |
| Late (90% chance before) | October 31 |