Frost dates in Mayville, WI
The average last spring frost in Mayville is around May 4 and the first fall frost is around October 5. That gives Mayville an average growing season of about 154 days.
Last spring frost
| Early (10% chance after) | April 20 |
|---|---|
| Average (50%) | May 4 |
| Late (90%) | May 16 |
First fall frost
| Early (10%) | September 23 |
|---|---|
| Average (50%) | October 5 |
| Late (90% chance before) | October 23 |