Frost dates in Alma, WI
The average last spring frost in Alma is around April 24 and the first fall frost is around October 13. That gives Alma an average growing season of about 172 days.
Last spring frost
| Early (10% chance after) | April 9 |
|---|---|
| Average (50%) | April 24 |
| Late (90%) | May 6 |
First fall frost
| Early (10%) | October 1 |
|---|---|
| Average (50%) | October 13 |
| Late (90% chance before) | October 31 |