Frost dates in Caledonia, MI
The average last spring frost in Caledonia is around April 28 and the first fall frost is around October 24. That gives Caledonia an average growing season of about 179 days.
Last spring frost
| Early (10% chance after) | April 25 |
|---|---|
| Average (50%) | April 28 |
| Late (90%) | May 10 |
First fall frost
| Early (10%) | October 16 |
|---|---|
| Average (50%) | October 24 |
| Late (90% chance before) | November 13 |