Frost dates in Trempealeau, WI
The average last spring frost in Trempealeau is around April 28 and the first fall frost is around October 8. That gives Trempealeau an average growing season of about 163 days.
Last spring frost
| Early (10% chance after) | April 12 |
|---|---|
| Average (50%) | April 28 |
| Late (90%) | May 11 |
First fall frost
| Early (10%) | September 24 |
|---|---|
| Average (50%) | October 8 |
| Late (90% chance before) | October 26 |