Frost dates in Holmen, WI
The average last spring frost in Holmen is around April 29 and the first fall frost is around October 11. That gives Holmen an average growing season of about 165 days.
Last spring frost
| Early (10% chance after) | April 11 |
|---|---|
| Average (50%) | April 29 |
| Late (90%) | May 13 |
First fall frost
| Early (10%) | September 27 |
|---|---|
| Average (50%) | October 11 |
| Late (90% chance before) | October 26 |