Frost dates in Clintonville, WI
The average last spring frost in Clintonville is around May 9 and the first fall frost is around October 2. That gives Clintonville an average growing season of about 146 days.
Last spring frost
| Early (10% chance after) | April 25 |
|---|---|
| Average (50%) | May 9 |
| Late (90%) | May 23 |
First fall frost
| Early (10%) | September 20 |
|---|---|
| Average (50%) | October 2 |
| Late (90% chance before) | October 18 |