Frost dates in West Branch, MI
The average last spring frost in West Branch is around May 22 and the first fall frost is around September 25. That gives West Branch an average growing season of about 126 days.
Last spring frost
| Early (10% chance after) | May 6 |
|---|---|
| Average (50%) | May 22 |
| Late (90%) | June 13 |
First fall frost
| Early (10%) | September 7 |
|---|---|
| Average (50%) | September 25 |
| Late (90% chance before) | October 12 |