December weather in Geneva, NY
The average temperature in Geneva in December is 29.4°F (22.9°F–35.9°F). Average precipitation: 2.32 inches. Average snowfall is 10.4 inches.
December is a winter month in Geneva, and is cooler than the annual average of 47°F. Daily temperatures swing about 13°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 8h 51m. For travel, December is cold.
Avg High
35.9°F
Avg Low
22.9°F
Precipitation
2.32 in
Snow
10.4 in
December records in Geneva
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 68.0°F (1991) | 5.0°F (1976) | 1.17 in (2006) |
| December 2 | 57.0°F (1996) | 3.9°F (1989) | 0.94 in (2006) |
| December 3 | 64.0°F (1998) | 3.0°F (1976) | 1.38 in (1986) |
| December 4 | 64.0°F (1982) | 5.0°F (1989) | 0.73 in (1990) |
| December 5 | 70.0°F (2012) | 3.9°F (2025) | 0.85 in (1993) |
| December 6 | 69.1°F (2001) | 5.0°F (2025) | 0.97 in (1977) |
| December 7 | 70.0°F (1998) | 10.0°F (1969) | 0.60 in (1971) |
| December 8 | 52.0°F (1980) | 6.1°F (1970) | 0.37 in (1969) |
| December 9 | 62.1°F (1980) | 3.0°F (2002) | 0.40 in (1974) |
| December 10 | 54.0°F (2023) | 3.0°F (2002) | 1.13 in (1975) |
| December 11 | 55.9°F (1971) | 3.9°F (1977) | 1.28 in (1969) |
| December 12 | 63.0°F (1979) | -11.9°F (1988) | 0.62 in (2002) |
| December 13 | 59.0°F (1979) | -7.1°F (1988) | 0.61 in (1983) |
| December 14 | 57.9°F (1991) | -0.9°F (1989) | 1.40 in (1983) |
| December 15 | 62.1°F (2015) | 0.0°F (1989) | 1.12 in (2002) |
| December 16 | 60.1°F (1971) | 7.0°F (1988) | 0.61 in (2022) |
| December 17 | 63.0°F (2021) | -2.0°F (2013) | 1.00 in (1974) |
| December 18 | 55.9°F (2006) | 1.9°F (2009) | 0.98 in (2023) |
| December 19 | 52.0°F (2025) | -5.1°F (1973) | 0.52 in (1977) |
| December 20 | 52.0°F (2025) | -5.1°F (2004) | 0.60 in (2008) |
| December 21 | 59.0°F (1988) | -4.0°F (2004) | 0.70 in (2012) |
| December 22 | 63.0°F (2018) | 0.0°F (1989) | 1.25 in (2013) |
| December 23 | 60.1°F (1990) | -2.0°F (2024) | 0.94 in (2022) |
| December 24 | 63.0°F (2015) | -2.0°F (1969) | 0.55 in (1990) |
| December 25 | 64.0°F (2015) | -11.9°F (1980) | 1.52 in (1979) |
| December 26 | 66.9°F (1982) | -11.9°F (1980) | 0.78 in (2006) |
| December 27 | 48.9°F (1973) | -5.1°F (1993) | 1.03 in (1969) |
| December 28 | 59.0°F (1971) | -4.0°F (1993) | 0.51 in (2023) |
| December 29 | 64.0°F (1984) | 1.0°F (1993) | 0.53 in (2025) |
| December 30 | 63.0°F (1984) | -2.0°F (1976) | 1.06 in (2019) |
| December 31 | 61.0°F (2022) | -0.9°F (1976) | 0.85 in (1971) |