Frost dates in Plum City, WI
The average last spring frost in Plum City is around May 2 and the first fall frost is around October 12. That gives Plum City an average growing season of about 163 days.
Last spring frost
| Early (10% chance after) | April 19 |
|---|---|
| Average (50%) | May 2 |
| Late (90%) | May 13 |
First fall frost
| Early (10%) | September 22 |
|---|---|
| Average (50%) | October 12 |
| Late (90% chance before) | October 28 |