Frost dates in Thompsonville, MI
The average last spring frost in Thompsonville is around May 11 and the first fall frost is around October 23. That gives Thompsonville an average growing season of about 165 days.
Last spring frost
| Early (10% chance after) | April 27 |
|---|---|
| Average (50%) | May 11 |
| Late (90%) | May 22 |
First fall frost
| Early (10%) | October 9 |
|---|---|
| Average (50%) | October 23 |
| Late (90% chance before) | November 3 |