Frost dates in Amherst, WI
The average last spring frost in Amherst is around May 19 and the first fall frost is around September 25. That gives Amherst an average growing season of about 129 days.
Last spring frost
| Early (10% chance after) | April 30 |
|---|---|
| Average (50%) | May 19 |
| Late (90%) | June 2 |
First fall frost
| Early (10%) | September 11 |
|---|---|
| Average (50%) | September 25 |
| Late (90% chance before) | October 10 |