Frost dates in Adel, IA
The average last spring frost in Adel is around April 28 and the first fall frost is around October 6. That gives Adel an average growing season of about 161 days.
Last spring frost
| Early (10% chance after) | April 15 |
|---|---|
| Average (50%) | April 28 |
| Late (90%) | May 14 |
First fall frost
| Early (10%) | September 22 |
|---|---|
| Average (50%) | October 6 |
| Late (90% chance before) | October 24 |