Frost dates in Waupun, WI
The average last spring frost in Waupun is around May 2 and the first fall frost is around October 13. That gives Waupun an average growing season of about 164 days.
Last spring frost
| Early (10% chance after) | April 17 |
|---|---|
| Average (50%) | May 2 |
| Late (90%) | May 13 |
First fall frost
| Early (10%) | October 1 |
|---|---|
| Average (50%) | October 13 |
| Late (90% chance before) | October 25 |