Frost dates in Kalkaska, MI
The average last spring frost in Kalkaska is around May 25 and the first fall frost is around September 29. That gives Kalkaska an average growing season of about 127 days.
Last spring frost
| Early (10% chance after) | May 11 |
|---|---|
| Average (50%) | May 25 |
| Late (90%) | June 4 |
First fall frost
| Early (10%) | September 14 |
|---|---|
| Average (50%) | September 29 |
| Late (90% chance before) | October 13 |