Frost dates in Harriman, NY
The average last spring frost in Harriman is around April 17 and the first fall frost is around October 28. That gives Harriman an average growing season of about 194 days.
Last spring frost
| Early (10% chance after) | April 5 |
|---|---|
| Average (50%) | April 17 |
| Late (90%) | April 29 |
First fall frost
| Early (10%) | October 10 |
|---|---|
| Average (50%) | October 28 |
| Late (90% chance before) | November 13 |