Frost dates in Farnhamville, IA
The average last spring frost in Farnhamville is around April 30 and the first fall frost is around October 7. That gives Farnhamville an average growing season of about 160 days.
Last spring frost
| Early (10% chance after) | April 14 |
|---|---|
| Average (50%) | April 30 |
| Late (90%) | May 13 |
First fall frost
| Early (10%) | September 25 |
|---|---|
| Average (50%) | October 7 |
| Late (90% chance before) | October 22 |