A few weather facts about Christmas day in Rochester. Precipitation is recorded in inches. Snow on the ground is at 6 am.
Temperature
| Normal High: | 25 |
| Normal Low: | 10 |
| Record High: | 50 (1936) |
| Record Low: | -25 (2000) |
| Lowest High: | -6 (1996) |
| Highest Low: | 31 (1973) |
Precipitation
| Record: | 0.75 (1893) |
| Record Snowfall | 10.3 (1955) |
| Record Snow on the Ground | 29 (2010) |
| Number of times with a trace or more of snowfall: | 48 |
| Number of times with measurable (over a trace) of snowfall: | 25 |
| Number of times with an inch or more of snowfall: | 13 |
| Climatological chance for a trace or more of snowfall: | 64% |
| Climatological chance for measurable (over a trace) of snowfall: | 33% |
| Climatological chance of an inch or more of snowfall: | 17% |
| Number of times with a trace or more of snow on the ground: | 71 |
| Number of times with an inch or more of snow on the ground: | 59 |
| Climatological chance of a trace or more on the ground: | 95% |
| Climatological chance of an inch or more on the ground: | 79% |
Non-"white" Christmases: 1944, 1949, 1953, 1958, 1965, 1966, 1967, 1979, 1980, 1982, 1986, 1988, 1997, 2002, 2006, 2011.