Frost dates in Clinton, WI
The average last spring frost in Clinton is around May 4 and the first fall frost is around October 10. That gives Clinton an average growing season of about 159 days.
Last spring frost
| Early (10% chance after) | April 21 |
|---|---|
| Average (50%) | May 4 |
| Late (90%) | May 20 |
First fall frost
| Early (10%) | September 29 |
|---|---|
| Average (50%) | October 10 |
| Late (90% chance before) | October 19 |