White Christmas
Will Mount Joy, PA have a white Christmas?
Mount Joy, Pennsylvania had snow on the ground on Christmas morning in 4 of the 23 Christmases measured from 1996 to 2025. The last white Christmas there was in 2009. Now and then.
Measured at Landisville 2 Nw, 4 miles east of Mount Joy. 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 Joy starts on this page on December 18.