December weather in Mancos, CO
The average temperature in Mancos in December is 27.3°F (14.0°F–40.5°F). Average precipitation: 1.25 inches. Average snowfall is 12.8 inches.
December is a winter month in Mancos, and is cooler than the annual average of 46.3°F. Daily temperatures swing about 26.5°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 9h 26m. For travel, December is cold.
Avg High
40.5°F
Avg Low
14.0°F
Precipitation
1.25 in
Snow
12.8 in
December records in Mancos
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 63.0°F (1999) | 1.0°F (2006) | 1.62 in (2007) |
| December 2 | 62.1°F (1915) | -2.9°F (1905) | 0.84 in (1955) |
| December 3 | 60.1°F (1910) | -2.9°F (2006) | 0.33 in (1971) |
| December 4 | 59.0°F (2021) | -8.0°F (2018) | 1.35 in (1960) |
| December 5 | 59.0°F (2024) | -5.1°F (1909) | 0.75 in (1972) |
| December 6 | 57.9°F (2012) | -11.0°F (2011) | 0.67 in (1994) |
| December 7 | 60.1°F (2020) | -4.0°F (1909) | 0.74 in (1966) |
| December 8 | 57.0°F (1899) | -8.0°F (2005) | 0.61 in (2019) |
| December 9 | 59.0°F (1902) | -14.1°F (2013) | 0.85 in (1954) |
| December 10 | 55.9°F (1910) | -11.9°F (2009) | 0.74 in (2021) |
| December 11 | 57.0°F (1993) | -13.0°F (1909) | 0.54 in (2007) |
| December 12 | 57.0°F (2017) | -15.0°F (1916) | 0.69 in (1993) |
| December 13 | 55.9°F (2025) | -5.1°F (1898) | 1.03 in (1984) |
| December 14 | 68.0°F (1913) | -17.0°F (1899) | 1.03 in (1984) |
| December 15 | 55.0°F (2025) | -11.9°F (1902) | 0.46 in (1967) |
| December 16 | 54.0°F (2025) | -7.1°F (2015) | 1.30 in (1908) |
| December 17 | 57.9°F (2025) | -6.0°F (1909) | 0.66 in (2016) |
| December 18 | 55.9°F (2023) | -9.0°F (1909) | 0.80 in (1978) |
| December 19 | 59.0°F (2025) | -11.0°F (1909) | 0.44 in (1962) |
| December 20 | 60.1°F (2024) | -11.9°F (2012) | 0.73 in (1951) |
| December 21 | 57.9°F (2025) | -9.0°F (1916) | 0.42 in (1979) |
| December 22 | 64.0°F (2025) | -9.9°F (1913) | 0.70 in (2015) |
| December 23 | 61.0°F (2025) | -20.9°F (1990) | 0.31 in (1948) |
| December 24 | 57.9°F (2025) | -15.0°F (1913) | 1.03 in (2021) |
| December 25 | 57.9°F (1906) | -9.0°F (2009) | 1.10 in (1916) |
| December 26 | 55.9°F (2005) | -15.0°F (1911) | 0.97 in (1959) |
| December 27 | 55.0°F (1917) | -15.0°F (1904) | 1.17 in (1983) |
| December 28 | 59.0°F (1917) | -14.1°F (2003) | 0.81 in (2022) |
| December 29 | 55.9°F (2017) | -8.0°F (2018) | 0.65 in (2004) |
| December 30 | 57.9°F (2017) | -16.1°F (1898) | 0.55 in (1965) |
| December 31 | 55.0°F (1917) | -14.1°F (1898) | 1.00 in (1951) |