Frost dates in Ogdensburg, WI
The average last spring frost in Ogdensburg is around May 11 and the first fall frost is around October 2. That gives Ogdensburg an average growing season of about 144 days.
Last spring frost
| Early (10% chance after) | April 24 |
|---|---|
| Average (50%) | May 11 |
| Late (90%) | May 27 |
First fall frost
| Early (10%) | September 20 |
|---|---|
| Average (50%) | October 2 |
| Late (90% chance before) | October 20 |