Frost dates in Massena, NY
The average last spring frost in Massena is around May 10 and the first fall frost is around September 30. That gives Massena an average growing season of about 143 days.
Last spring frost
| Early (10% chance after) | April 27 |
|---|---|
| Average (50%) | May 10 |
| Late (90%) | May 27 |
First fall frost
| Early (10%) | September 18 |
|---|---|
| Average (50%) | September 30 |
| Late (90% chance before) | October 13 |