Frost dates in Hanna City, IL
The average last spring frost in Hanna City is around April 19 and the first fall frost is around October 18. That gives Hanna City an average growing season of about 182 days.
Last spring frost
| Early (10% chance after) | April 6 |
|---|---|
| Average (50%) | April 19 |
| Late (90%) | May 4 |
First fall frost
| Early (10%) | October 4 |
|---|---|
| Average (50%) | October 18 |
| Late (90% chance before) | November 2 |