Frost dates in Libertyville, IA
The average last spring frost in Libertyville is around April 24 and the first fall frost is around October 12. That gives Libertyville an average growing season of about 171 days.
Last spring frost
| Early (10% chance after) | April 8 |
|---|---|
| Average (50%) | April 24 |
| Late (90%) | May 9 |
First fall frost
| Early (10%) | September 23 |
|---|---|
| Average (50%) | October 12 |
| Late (90% chance before) | October 29 |