Frost dates in Hersey, MI
The average last spring frost in Hersey is around May 18 and the first fall frost is around September 28. That gives Hersey an average growing season of about 133 days.
Last spring frost
| Early (10% chance after) | May 3 |
|---|---|
| Average (50%) | May 18 |
| Late (90%) | May 31 |
First fall frost
| Early (10%) | September 14 |
|---|---|
| Average (50%) | September 28 |
| Late (90% chance before) | October 12 |