Frost dates in Rose City, MI
The average last spring frost in Rose City is around May 30 and the first fall frost is around September 20. That gives Rose City an average growing season of about 113 days.
Last spring frost
| Early (10% chance after) | May 11 |
|---|---|
| Average (50%) | May 30 |
| Late (90%) | June 21 |
First fall frost
| Early (10%) | August 23 |
|---|---|
| Average (50%) | September 20 |
| Late (90% chance before) | October 6 |