So, what are the chances of a white Christmas on any given year in Middle Tennessee? Since the winter of 1884 and 1885, when snowfall records began in Nashville, snow has fallen 24 times on Christmas Day. Only 10 have been a measurable amount. A measurable amount is one tenth of an inch or more.
From a statistical standpoint, there is a 19 percent chance of a trace or more of snow on Christmas Day, but only an 8 percent chance of measurable snow here in Middle Tennessee.
The last time measurable snow fell on Christmas Day was in 2010, when one-point-one inches occurred. The years 1992 and 1993 are the only two consecutive Christmases on record with measurable snowfall.