December weather in Columbia Falls, MT
The average temperature in Columbia Falls in December is 24.1°F (17.2°F–31.0°F). Average precipitation: 1.50 inches. Average snowfall is 15.9 inches.
December is a winter month in Columbia Falls, and is cooler than the annual average of 43.1°F. Daily temperatures swing about 13.8°F between overnight low and afternoon high. Expect about 14 days with precipitation. Daylight averages about 8h 8m. For travel, December is cold.
Avg High
31.0°F
Avg Low
17.2°F
Precipitation
1.50 in
Snow
15.9 in
December records in Columbia Falls
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 62.1°F (2021) | -18.0°F (1985) | 0.48 in (1964) |
| December 2 | 59.0°F (2021) | -11.9°F (1985) | 0.50 in (1980) |
| December 3 | 52.0°F (1941) | -9.0°F (1984) | 0.38 in (1941) |
| December 4 | 57.9°F (1918) | -11.0°F (1897) | 0.65 in (1989) |
| December 5 | 48.9°F (1940) | -8.0°F (1972) | 0.34 in (1916) |
| December 6 | 52.0°F (1939) | -16.1°F (2005) | 0.58 in (1977) |
| December 7 | 46.9°F (1918) | -18.9°F (2005) | 0.45 in (2015) |
| December 8 | 55.9°F (1897) | -20.0°F (1972) | 0.60 in (1902) |
| December 9 | 57.0°F (1979) | -24.0°F (1919) | 0.58 in (1929) |
| December 10 | 50.0°F (2025) | -14.1°F (1961) | 1.03 in (2025) |
| December 11 | 55.0°F (1924) | -15.0°F (1932) | 0.61 in (1899) |
| December 12 | 57.0°F (1921) | -18.0°F (1919) | 0.63 in (2010) |
| December 13 | 57.0°F (1924) | -17.0°F (1919) | 0.71 in (1917) |
| December 14 | 54.0°F (1924) | -18.9°F (1922) | 0.31 in (1901) |
| December 15 | 55.9°F (2025) | -17.0°F (1924) | 0.98 in (1924) |
| December 16 | 52.0°F (1942) | -20.9°F (1964) | 0.43 in (1929) |
| December 17 | 48.9°F (1942) | -24.0°F (1964) | 0.47 in (1961) |
| December 18 | 53.1°F (1917) | -27.0°F (1924) | 0.72 in (1990) |
| December 19 | 51.1°F (1941) | -25.1°F (1924) | 0.85 in (2017) |
| December 20 | 51.1°F (2019) | -22.0°F (2008) | 0.48 in (2009) |
| December 21 | 54.0°F (1933) | -25.1°F (1983) | 0.88 in (1972) |
| December 22 | 55.0°F (1933) | -33.9°F (2022) | 1.34 in (1964) |
| December 23 | 50.0°F (1899) | -26.0°F (1983) | 0.53 in (1950) |
| December 24 | 53.1°F (1919) | -29.9°F (1983) | 0.62 in (1902) |
| December 25 | 48.0°F (1899) | -20.9°F (1983) | 0.45 in (1998) |
| December 26 | 51.1°F (1980) | -22.0°F (1951) | 0.56 in (2025) |
| December 27 | 55.0°F (1898) | -20.0°F (1983) | 0.73 in (1990) |
| December 28 | 48.9°F (1980) | -27.0°F (1983) | 0.78 in (1915) |
| December 29 | 51.1°F (1929) | -35.0°F (1990) | 0.47 in (1977) |
| December 30 | 48.0°F (1929) | -35.0°F (1968) | 0.52 in (1993) |
| December 31 | 48.0°F (1963) | -33.0°F (1978) | 0.56 in (1990) |