Frost dates in Leighton, IA
The average last spring frost in Leighton is around April 24 and the first fall frost is around October 9. That gives Leighton an average growing season of about 168 days.
Last spring frost
| Early (10% chance after) | April 13 |
|---|---|
| Average (50%) | April 24 |
| Late (90%) | May 9 |
First fall frost
| Early (10%) | September 24 |
|---|---|
| Average (50%) | October 9 |
| Late (90% chance before) | October 25 |