Frost dates in Clear Lake, WI
The average last spring frost in Clear Lake is around May 12 and the first fall frost is around September 27. That gives Clear Lake an average growing season of about 138 days.
Last spring frost
| Early (10% chance after) | April 27 |
|---|---|
| Average (50%) | May 12 |
| Late (90%) | May 29 |
First fall frost
| Early (10%) | September 13 |
|---|---|
| Average (50%) | September 27 |
| Late (90% chance before) | October 12 |