White Christmas
Will Santa Susana, CA have a white Christmas?
Santa Susana, California had snow on the ground on Christmas morning in 0 of the last 30 Christmases (1996 to 2025). None of them was white.
Measured at U C L A, 18 miles southeast of Santa Susana. That station is far enough from Santa Susana, or high or low enough, that this is its own record rather than a call for the town. 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 Santa Susana starts on this page on December 18.