Frost dates in Vassar, MI
The average last spring frost in Vassar is around May 12 and the first fall frost is around October 8. That gives Vassar an average growing season of about 149 days.
Last spring frost
| Early (10% chance after) | April 20 |
|---|---|
| Average (50%) | May 12 |
| Late (90%) | May 28 |
First fall frost
| Early (10%) | September 20 |
|---|---|
| Average (50%) | October 8 |
| Late (90% chance before) | October 24 |