Frost dates in Chetek, WI
The average last spring frost in Chetek is around May 16 and the first fall frost is around September 27. That gives Chetek an average growing season of about 134 days.
Last spring frost
| Early (10% chance after) | April 28 |
|---|---|
| Average (50%) | May 16 |
| Late (90%) | May 28 |
First fall frost
| Early (10%) | September 16 |
|---|---|
| Average (50%) | September 27 |
| Late (90% chance before) | October 10 |