Frost dates in Muttontown, NY
The average last spring frost in Muttontown is around April 19 and the first fall frost is around November 4. That gives Muttontown an average growing season of about 199 days.
Last spring frost
| Early (10% chance after) | April 8 |
|---|---|
| Average (50%) | April 19 |
| Late (90%) | April 23 |
First fall frost
| Early (10%) | October 29 |
|---|---|
| Average (50%) | November 4 |
| Late (90% chance before) | November 9 |