Frost dates in Grant, MI
The average last spring frost in Grant is around May 10 and the first fall frost is around October 18. That gives Grant an average growing season of about 161 days.
Last spring frost
| Early (10% chance after) | March 31 |
|---|---|
| Average (50%) | May 10 |
| Late (90%) | May 20 |
First fall frost
| Early (10%) | September 23 |
|---|---|
| Average (50%) | October 18 |
| Late (90% chance before) | November 8 |