Frost dates in Mamaroneck, NY
The average last spring frost in Mamaroneck is around April 13 and the first fall frost is around October 30. That gives Mamaroneck an average growing season of about 200 days.
Last spring frost
| Early (10% chance after) | April 3 |
|---|---|
| Average (50%) | April 13 |
| Late (90%) | April 29 |
First fall frost
| Early (10%) | October 12 |
|---|---|
| Average (50%) | October 30 |
| Late (90% chance before) | November 14 |