Frost dates in Mount Pleasant, MI
The average last spring frost in Mount Pleasant is around May 10 and the first fall frost is around October 7. That gives Mount Pleasant an average growing season of about 150 days.
Last spring frost
| Early (10% chance after) | April 22 |
|---|---|
| Average (50%) | May 10 |
| Late (90%) | May 28 |
First fall frost
| Early (10%) | September 24 |
|---|---|
| Average (50%) | October 7 |
| Late (90% chance before) | October 30 |