Frost dates in Carter Lake, IA
The average last spring frost in Carter Lake is around April 22 and the first fall frost is around October 12. That gives Carter Lake an average growing season of about 173 days.
Last spring frost
| Early (10% chance after) | April 9 |
|---|---|
| Average (50%) | April 22 |
| Late (90%) | May 4 |
First fall frost
| Early (10%) | September 29 |
|---|---|
| Average (50%) | October 12 |
| Late (90% chance before) | October 29 |