Frost dates in Hillman, MI
The average last spring frost in Hillman is around May 24 and the first fall frost is around September 24. That gives Hillman an average growing season of about 123 days.
Last spring frost
| Early (10% chance after) | May 13 |
|---|---|
| Average (50%) | May 24 |
| Late (90%) | June 6 |
First fall frost
| Early (10%) | September 10 |
|---|---|
| Average (50%) | September 24 |
| Late (90% chance before) | October 12 |