Frost dates in Alleman, IA
The average last spring frost in Alleman is around April 26 and the first fall frost is around October 7. That gives Alleman an average growing season of about 164 days.
Last spring frost
| Early (10% chance after) | April 9 |
|---|---|
| Average (50%) | April 26 |
| Late (90%) | May 10 |
First fall frost
| Early (10%) | September 24 |
|---|---|
| Average (50%) | October 7 |
| Late (90% chance before) | October 25 |