Frost dates in Herkimer, NY
The average last spring frost in Herkimer is around May 11 and the first fall frost is around October 3. That gives Herkimer an average growing season of about 145 days.
Last spring frost
| Early (10% chance after) | April 29 |
|---|---|
| Average (50%) | May 11 |
| Late (90%) | May 26 |
First fall frost
| Early (10%) | September 20 |
|---|---|
| Average (50%) | October 3 |
| Late (90% chance before) | October 21 |