White Christmas
Will Mount Vernon, NY have a white Christmas?
Mount Vernon, New York had snow on the ground on Christmas morning in 1 of the last 30 Christmases (1996 to 2025). The last white Christmas there was in 2009. Almost never.
Measured at Laguardia Airport, 9 miles south of Mount Vernon. A white Christmas is an inch or more of snow on the ground at the Christmas morning reading, the line NOAA uses, counted from the station's own daily record.
The forecast for Christmas morning in Mount Vernon starts on this page on December 18.