Frost dates in Holstein, IA
The average last spring frost in Holstein is around April 28 and the first fall frost is around October 11. That gives Holstein an average growing season of about 166 days.
Last spring frost
| Early (10% chance after) | April 16 |
|---|---|
| Average (50%) | April 28 |
| Late (90%) | May 14 |
First fall frost
| Early (10%) | October 3 |
|---|---|
| Average (50%) | October 11 |
| Late (90% chance before) | October 23 |