Frost dates in Corunna, MI
The average last spring frost in Corunna is around May 4 and the first fall frost is around October 15. That gives Corunna an average growing season of about 164 days.
Last spring frost
| Early (10% chance after) | April 26 |
|---|---|
| Average (50%) | May 4 |
| Late (90%) | May 21 |
First fall frost
| Early (10%) | October 1 |
|---|---|
| Average (50%) | October 15 |
| Late (90% chance before) | October 26 |