Frost dates in Bouton, IA
The average last spring frost in Bouton is around April 29 and the first fall frost is around October 5. That gives Bouton an average growing season of about 159 days.
Last spring frost
| Early (10% chance after) | April 14 |
|---|---|
| Average (50%) | April 29 |
| Late (90%) | May 14 |
First fall frost
| Early (10%) | September 21 |
|---|---|
| Average (50%) | October 5 |
| Late (90% chance before) | October 21 |