Frost dates in Au Gres, MI
The average last spring frost in Au Gres is around May 13 and the first fall frost is around September 29. That gives Au Gres an average growing season of about 139 days.
Last spring frost
| Early (10% chance after) | April 28 |
|---|---|
| Average (50%) | May 13 |
| Late (90%) | May 30 |
First fall frost
| Early (10%) | September 13 |
|---|---|
| Average (50%) | September 29 |
| Late (90% chance before) | October 23 |