Frost dates in Chilton, WI
The average last spring frost in Chilton is around May 10 and the first fall frost is around October 7. That gives Chilton an average growing season of about 150 days.
Last spring frost
| Early (10% chance after) | April 23 |
|---|---|
| Average (50%) | May 10 |
| Late (90%) | May 27 |
First fall frost
| Early (10%) | September 24 |
|---|---|
| Average (50%) | October 7 |
| Late (90% chance before) | October 22 |