Frost dates in Marinette, WI
The average last spring frost in Marinette is around May 10 and the first fall frost is around October 5. That gives Marinette an average growing season of about 148 days.
Last spring frost
| Early (10% chance after) | April 26 |
|---|---|
| Average (50%) | May 10 |
| Late (90%) | May 21 |
First fall frost
| Early (10%) | September 23 |
|---|---|
| Average (50%) | October 5 |
| Late (90% chance before) | October 22 |