Frost dates in Caledonia, WI
The average last spring frost in Caledonia is around April 25 and the first fall frost is around October 23. That gives Caledonia an average growing season of about 181 days.
Last spring frost
| Early (10% chance after) | April 16 |
|---|---|
| Average (50%) | April 25 |
| Late (90%) | May 5 |
First fall frost
| Early (10%) | October 8 |
|---|---|
| Average (50%) | October 23 |
| Late (90% chance before) | November 6 |