Frost dates in Ogdensburg, NY
The average last spring frost in Ogdensburg is around May 4 and the first fall frost is around October 7. That gives Ogdensburg an average growing season of about 156 days.
Last spring frost
| Early (10% chance after) | April 18 |
|---|---|
| Average (50%) | May 4 |
| Late (90%) | May 23 |
First fall frost
| Early (10%) | September 24 |
|---|---|
| Average (50%) | October 7 |
| Late (90% chance before) | October 20 |