Frost dates in Lost Nation, IA
The average last spring frost in Lost Nation is around May 3 and the first fall frost is around October 8. That gives Lost Nation an average growing season of about 158 days.
Last spring frost
| Early (10% chance after) | April 18 |
|---|---|
| Average (50%) | May 3 |
| Late (90%) | May 17 |
First fall frost
| Early (10%) | September 15 |
|---|---|
| Average (50%) | October 8 |
| Late (90% chance before) | October 22 |