Frost dates in Council Bluffs, IA
The average last spring frost in Council Bluffs is around April 22 and the first fall frost is around October 12. That gives Council Bluffs an average growing season of about 173 days.
Last spring frost
| Early (10% chance after) | April 9 |
|---|---|
| Average (50%) | April 22 |
| Late (90%) | May 4 |
First fall frost
| Early (10%) | September 29 |
|---|---|
| Average (50%) | October 12 |
| Late (90% chance before) | October 29 |