Frost dates in Cascade, IA
The average last spring frost in Cascade is around April 30 and the first fall frost is around October 4. That gives Cascade an average growing season of about 157 days.
Last spring frost
| Early (10% chance after) | April 19 |
|---|---|
| Average (50%) | April 30 |
| Late (90%) | May 17 |
First fall frost
| Early (10%) | September 20 |
|---|---|
| Average (50%) | October 4 |
| Late (90% chance before) | October 14 |