Frost dates in Port Austin, MI
The average last spring frost in Port Austin is around May 4 and the first fall frost is around October 27. That gives Port Austin an average growing season of about 176 days.
Last spring frost
| Early (10% chance after) | April 22 |
|---|---|
| Average (50%) | May 4 |
| Late (90%) | May 14 |
First fall frost
| Early (10%) | October 10 |
|---|---|
| Average (50%) | October 27 |
| Late (90% chance before) | November 2 |