December weather in Gunnison, CO
The average temperature in Gunnison in December is 12.8°F (-2.9°F–28.5°F). Average precipitation: 0.93 inches. Average snowfall is 10.3 inches.
December is a winter month in Gunnison, and is cooler than the annual average of 37.7°F. Daily temperatures swing about 31.4°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 9h 19m. For travel, December is cold.
Avg High
28.5°F
Avg Low
-2.9°F
Precipitation
0.93 in
Snow
10.3 in
December records in Gunnison
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 55.9°F (1903) | -23.1°F (2024) | 0.55 in (2025) |
| December 2 | 57.9°F (1897) | -27.9°F (2004) | 0.49 in (1978) |
| December 3 | 57.9°F (1901) | -29.0°F (2004) | 0.50 in (2005) |
| December 4 | 57.0°F (1939) | -29.9°F (1895) | 0.80 in (1954) |
| December 5 | 60.1°F (1939) | -27.9°F (1955) | 0.21 in (1972) |
| December 6 | 57.9°F (1939) | -26.0°F (1898) | 0.30 in (1978) |
| December 7 | 61.0°F (1939) | -27.0°F (1898) | 1.40 in (2007) |
| December 8 | 57.9°F (1939) | -36.9°F (2005) | 2.80 in (1997) |
| December 9 | 57.0°F (1939) | -35.0°F (2005) | 1.50 in (1986) |
| December 10 | 62.1°F (1939) | -35.0°F (1951) | 0.31 in (1963) |
| December 11 | 54.0°F (1939) | -27.9°F (1913) | 0.31 in (1940) |
| December 12 | 57.9°F (1939) | -33.0°F (1961) | 0.60 in (1937) |
| December 13 | 51.1°F (1929) | -29.9°F (1961) | 0.54 in (1922) |
| December 14 | 53.1°F (1893) | -32.1°F (1899) | 0.30 in (1895) |
| December 15 | 55.0°F (1893) | -29.9°F (2005) | 0.32 in (1908) |
| December 16 | 55.9°F (1939) | -32.1°F (2005) | 0.43 in (2016) |
| December 17 | 55.9°F (1939) | -29.9°F (2005) | 0.40 in (2002) |
| December 18 | 50.0°F (1959) | -36.9°F (1996) | 0.40 in (1978) |
| December 19 | 48.9°F (1952) | -38.0°F (1909) | 0.56 in (1951) |
| December 20 | 51.1°F (1939) | -35.0°F (1899) | 0.64 in (2010) |
| December 21 | 50.0°F (1969) | -34.1°F (1899) | 0.15 in (1963) |
| December 22 | 53.1°F (1982) | -31.0°F (1899) | 0.79 in (1924) |
| December 23 | 53.1°F (1901) | -45.9°F (1905) | 0.42 in (2016) |
| December 24 | 52.0°F (1955) | -32.1°F (1898) | 0.50 in (1964) |
| December 25 | 55.0°F (1908) | -47.0°F (1924) | 0.35 in (1910) |
| December 26 | 57.0°F (1980) | -45.9°F (1924) | 0.78 in (1921) |
| December 27 | 50.0°F (1980) | -45.0°F (1924) | 0.37 in (1981) |
| December 28 | 45.0°F (1980) | -35.0°F (1895) | 0.77 in (1907) |
| December 29 | 46.9°F (1980) | -35.0°F (1954) | 0.41 in (1973) |
| December 30 | 50.0°F (2017) | -35.0°F (1902) | 1.00 in (1991) |
| December 31 | 54.0°F (2017) | -34.1°F (1898) | 0.80 in (1909) |