White Christmas
Will San Juan, TX have a white Christmas?
San Juan, Texas had snow on the ground on Christmas morning in 1 of the 20 Christmases measured from 1996 to 2025. The last white Christmas there was in 2004. Almost never.
Measured at Mcallen, 6 miles west of San Juan. 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 San Juan starts on this page on December 18.