Frost dates in Monroe, MI
The average last spring frost in Monroe is around April 28 and the first fall frost is around October 22. That gives Monroe an average growing season of about 177 days.
Last spring frost
| Early (10% chance after) | April 4 |
|---|---|
| Average (50%) | April 28 |
| Late (90%) | May 10 |
First fall frost
| Early (10%) | October 11 |
|---|---|
| Average (50%) | October 22 |
| Late (90% chance before) | November 18 |