Frost dates in Mellen, WI
The average last spring frost in Mellen is around May 30 and the first fall frost is around September 19. That gives Mellen an average growing season of about 112 days.
Last spring frost
| Early (10% chance after) | May 13 |
|---|---|
| Average (50%) | May 30 |
| Late (90%) | June 17 |
First fall frost
| Early (10%) | August 30 |
|---|---|
| Average (50%) | September 19 |
| Late (90% chance before) | October 1 |