Frost dates in Rowley, IA
The average last spring frost in Rowley is around April 23 and the first fall frost is around October 5. That gives Rowley an average growing season of about 165 days.
Last spring frost
| Early (10% chance after) | April 3 |
|---|---|
| Average (50%) | April 23 |
| Late (90%) | May 12 |
First fall frost
| Early (10%) | September 22 |
|---|---|
| Average (50%) | October 5 |
| Late (90% chance before) | October 22 |