Frost dates in Stanwood, IA
The average last spring frost in Stanwood is around April 29 and the first fall frost is around October 7. That gives Stanwood an average growing season of about 161 days.
Last spring frost
| Early (10% chance after) | April 13 |
|---|---|
| Average (50%) | April 29 |
| Late (90%) | May 13 |
First fall frost
| Early (10%) | September 24 |
|---|---|
| Average (50%) | October 7 |
| Late (90% chance before) | October 25 |