White Christmas
Will Saint John, MO have a white Christmas?
Saint John, Missouri had snow on the ground on Christmas morning in 6 of the last 30 Christmases (1996 to 2025). The last white Christmas there was in 2022. Now and then.
Measured at St Louis Lambert International Airport, 3 miles northwest of Saint John. 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 Saint John starts on this page on December 18.