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: | 53 (2023) |
| Record Low: | -25 (2000) |
| Lowest High: | -6 (1996) |
| Highest Low: | 44 (2023) |
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: | 58 |
| Number of times with measurable (over a trace) of snowfall: | 28 |
| Number of times with an inch or more of snowfall: | 15 |
| Climatological chance for a trace or more of snowfall: | 53% |
| Climatological chance for measurable (over a trace) of snowfall: | 26% |
| Climatological chance of an inch or more of snowfall: | 14% |
| Number of times with a trace or more of snow on the ground: | 83 |
| Number of times with an inch or more of snow on the ground: | 70 |
| Climatological chance of a trace or more on the ground: | 91% |
| Climatological chance of an inch or more on the ground: | 77% |
With a "white" Christmas generally considered an inch of snow on the ground (or an inch falling that day), Rochester has had "white" Christmases 70 times (out of 91) since 1933, or 77% of the time. The last non-white Christmas was in 2023. The years of 1936, 1941, 1942, and 1943 were excluded from the statistics due to missing data.
Non-"white" Christmases: 1911, 1914, 1944, 1949, 1953, 1958, 1965, 1966, 1967, 1979, 1980, 1982, 1986, 1988, 1997, 2002, 2006, 2011, 2021, 2023.
Snowfall used 109 years, snow depth 91 years.