Frost dates in Springville, IA
The average last spring frost in Springville is around April 26 and the first fall frost is around October 9. That gives Springville an average growing season of about 166 days.
Last spring frost
| Early (10% chance after) | April 13 |
|---|---|
| Average (50%) | April 26 |
| Late (90%) | May 14 |
First fall frost
| Early (10%) | September 26 |
|---|---|
| Average (50%) | October 9 |
| Late (90% chance before) | October 23 |