White Christmas
Will Rio Vista, CA have a white Christmas?
Rio Vista, California had snow on the ground on Christmas morning in 0 of the 25 Christmases measured from 1996 to 2025. None of them was white. Almost never.
Measured at Fairfield, 22 miles west of Rio Vista. 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 Rio Vista starts on this page on December 18.