December weather in Carbondale, CO
The average temperature in Carbondale in December is 25.8°F (15.7°F–35.8°F). Average precipitation: 1.48 inches.
December is a winter month in Carbondale, and is cooler than the annual average of 49.8°F. Daily temperatures swing about 20.1°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 9h 14m. For travel, December is cold.
Avg High
35.8°F
Avg Low
15.7°F
Precipitation
1.48 in
Daylight
9h 14m
December records in Carbondale
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 55.9°F (1973) | -0.9°F (2006) | 0.43 in (1955) |
| December 2 | 54.0°F (2017) | -0.9°F (2004) | 0.39 in (1964) |
| December 3 | 57.9°F (2017) | -0.9°F (2004) | 0.41 in (1922) |
| December 4 | 57.0°F (2017) | 0.0°F (2004) | 1.11 in (1950) |
| December 5 | 57.0°F (2021) | 5.0°F (1931) | 1.11 in (1951) |
| December 6 | 55.9°F (1937) | -2.0°F (1912) | 0.94 in (1966) |
| December 7 | 51.1°F (1939) | -2.9°F (1912) | 0.63 in (1957) |
| December 8 | 57.9°F (1937) | -2.9°F (2005) | 0.62 in (1943) |
| December 9 | 55.9°F (1939) | -5.1°F (2005) | 0.58 in (1997) |
| December 10 | 55.9°F (1939) | 1.9°F (1945) | 0.35 in (1942) |
| December 11 | 61.0°F (1939) | 6.1°F (1930) | 0.86 in (1965) |
| December 12 | 51.1°F (1939) | 3.9°F (1932) | 0.96 in (1984) |
| December 13 | 51.1°F (1921) | 3.9°F (1928) | 0.81 in (1990) |
| December 14 | 50.0°F (1939) | 3.0°F (1911) | 0.80 in (1990) |
| December 15 | 57.0°F (1915) | -5.1°F (1920) | 0.60 in (2015) |
| December 16 | 53.1°F (1937) | 0.0°F (1920) | 0.56 in (2016) |
| December 17 | 52.0°F (1939) | 1.9°F (1928) | 0.40 in (1934) |
| December 18 | 46.0°F (1936) | -2.0°F (1927) | 0.67 in (1978) |
| December 19 | 45.0°F (2024) | -4.0°F (1927) | 0.62 in (1951) |
| December 20 | 52.0°F (2025) | -2.0°F (1945) | 0.48 in (1998) |
| December 21 | 53.1°F (2025) | -5.1°F (1929) | 0.75 in (1981) |
| December 22 | 55.0°F (2025) | -6.0°F (1912) | 0.60 in (1970) |
| December 23 | 60.1°F (2025) | -2.9°F (1912) | 0.52 in (1983) |
| December 24 | 46.9°F (1940) | -6.0°F (1912) | 1.00 in (1969) |
| December 25 | 57.0°F (2025) | 0.0°F (1928) | 0.87 in (1983) |
| December 26 | 57.0°F (2025) | -5.1°F (1930) | 0.75 in (1983) |
| December 27 | 50.0°F (2025) | -7.1°F (1911) | 0.93 in (1981) |
| December 28 | 46.0°F (1934) | -8.0°F (1912) | 0.86 in (2022) |
| December 29 | 48.0°F (2005) | 1.0°F (1918) | 0.55 in (2020) |
| December 30 | 50.0°F (1917) | 0.0°F (1930) | 2.45 in (1951) |
| December 31 | 57.9°F (1939) | 0.0°F (1918) | 0.80 in (1995) |