December weather in Genoa, CO
The average temperature in Genoa in December is 31.1°F (20.9°F–41.3°F). Average precipitation: 0.18 inches. Average snowfall is 3.8 inches.
December is a winter month in Genoa, and is cooler than the annual average of 49.9°F. Daily temperatures swing about 20.4°F between overnight low and afternoon high. Expect about 3 days with precipitation. Daylight averages about 9h 15m. For travel, December is cold.
Avg High
41.3°F
Avg Low
20.9°F
Precipitation
0.18 in
Snow
3.8 in
December records in Genoa
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 63.0°F (2003) | 8.1°F (2014) | 0.21 in (1942) |
| December 2 | 64.0°F (2012) | 12.0°F (2011) | 0.26 in (1947) |
| December 3 | 62.1°F (2008) | 3.0°F (2009) | 0.12 in (1960) |
| December 4 | 64.0°F (2007) | 3.0°F (2009) | 0.40 in (1969) |
| December 5 | 70.0°F (2007) | -8.0°F (2013) | 0.18 in (1978) |
| December 6 | 63.0°F (2012) | -5.1°F (2013) | 0.45 in (1957) |
| December 7 | 68.0°F (2023) | -8.0°F (2005) | 0.07 in (1994) |
| December 8 | 63.0°F (2003) | -8.0°F (2005) | 0.48 in (1988) |
| December 9 | 64.0°F (2020) | -11.0°F (2009) | 0.36 in (1943) |
| December 10 | 68.0°F (2015) | -4.0°F (2009) | 0.14 in (1997) |
| December 11 | 61.0°F (2014) | -4.0°F (2000) | 0.65 in (2000) |
| December 12 | 68.0°F (2025) | -2.0°F (2000) | 0.43 in (1991) |
| December 13 | 63.0°F (2014) | 3.9°F (2000) | 0.15 in (1951) |
| December 14 | 64.0°F (2010) | 6.1°F (2016) | 0.32 in (1956) |
| December 15 | 61.0°F (2002) | -9.9°F (2008) | 0.26 in (1988) |
| December 16 | 60.1°F (2025) | -7.1°F (2008) | 0.15 in (2015) |
| December 17 | 61.0°F (2025) | -7.1°F (2016) | 0.26 in (1989) |
| December 18 | 60.1°F (2000) | -11.0°F (2016) | 0.25 in (1973) |
| December 19 | 64.0°F (2013) | 0.0°F (1973) | 0.07 in (1962) |
| December 20 | 64.0°F (2003) | -2.0°F (1973) | 0.19 in (1960) |
| December 21 | 60.1°F (2017) | 1.0°F (2008) | 0.11 in (1998) |
| December 22 | 63.0°F (2005) | -15.0°F (2022) | 0.27 in (1941) |
| December 23 | 69.1°F (2025) | -9.9°F (2022) | 0.15 in (2009) |
| December 24 | 64.9°F (2019) | -2.9°F (2022) | 0.40 in (1973) |
| December 25 | 72.0°F (2025) | 1.0°F (2012) | 0.20 in (1997) |
| December 26 | 69.1°F (2025) | 0.0°F (1973) | 0.28 in (1942) |
| December 27 | 64.0°F (2005) | 0.0°F (1973) | 0.27 in (1959) |
| December 28 | 63.0°F (2025) | 3.9°F (2017) | 0.20 in (1948) |
| December 29 | 63.0°F (2002) | 3.9°F (1973) | 0.39 in (2022) |
| December 30 | 62.1°F (2017) | -9.0°F (2014) | 0.09 in (1967) |
| December 31 | 62.1°F (2016) | -11.9°F (2014) | 0.22 in (1947) |