Frost dates in Iron Ridge, WI
The average last spring frost in Iron Ridge is around May 5 and the first fall frost is around October 11. That gives Iron Ridge an average growing season of about 159 days.
Last spring frost
| Early (10% chance after) | April 23 |
|---|---|
| Average (50%) | May 5 |
| Late (90%) | May 15 |
First fall frost
| Early (10%) | September 22 |
|---|---|
| Average (50%) | October 11 |
| Late (90% chance before) | October 25 |