December weather in Missoula, MT
The average temperature in Missoula in December is 26.2°F (19.6°F–32.9°F). Average precipitation: 1.35 inches. Average snowfall is 12.9 inches.
December is a winter month in Missoula, and is cooler than the annual average of 46.2°F. Daily temperatures swing about 13.3°F between overnight low and afternoon high. Expect about 14 days with precipitation. Daylight averages about 8h 21m. For travel, December is cold.
Avg High
32.9°F
Avg Low
19.6°F
Precipitation
1.35 in
Snow
12.9 in
December records in Missoula
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 54.0°F (1972) | -0.9°F (1985) | 0.68 in (1977) |
| December 2 | 51.1°F (1975) | 0.0°F (1985) | 0.44 in (1998) |
| December 3 | 61.0°F (1975) | -4.0°F (1972) | 0.45 in (2007) |
| December 4 | 52.0°F (1975) | -11.9°F (1972) | 0.24 in (1978) |
| December 5 | 46.9°F (1987) | -15.0°F (1972) | 0.47 in (1971) |
| December 6 | 51.1°F (1987) | -7.1°F (1972) | 0.65 in (1981) |
| December 7 | 46.0°F (2008) | -11.9°F (1972) | 0.51 in (2012) |
| December 8 | 48.0°F (1979) | -18.9°F (1972) | 0.26 in (1996) |
| December 9 | 53.1°F (1979) | -22.0°F (1972) | 0.29 in (1996) |
| December 10 | 46.9°F (1987) | -18.0°F (1972) | 0.27 in (1987) |
| December 11 | 54.0°F (1980) | -6.0°F (1972) | 0.22 in (1995) |
| December 12 | 48.9°F (1998) | -2.9°F (2000) | 0.46 in (1991) |
| December 13 | 52.0°F (1988) | -6.0°F (1972) | 0.62 in (1977) |
| December 14 | 51.1°F (1979) | -7.1°F (2008) | 0.20 in (2006) |
| December 15 | 61.0°F (1980) | -9.0°F (2008) | 0.39 in (1979) |
| December 16 | 50.0°F (2002) | -11.9°F (2008) | 0.35 in (1981) |
| December 17 | 50.0°F (2011) | -11.9°F (2008) | 0.28 in (1982) |
| December 18 | 45.0°F (1966) | -7.1°F (1990) | 0.33 in (1990) |
| December 19 | 52.0°F (2004) | -15.0°F (1990) | 0.12 in (2001) |
| December 20 | 46.9°F (1969) | -18.0°F (1990) | 0.41 in (2009) |
| December 21 | 48.9°F (1994) | -23.1°F (1990) | 0.50 in (1972) |
| December 22 | 44.1°F (1972) | -27.9°F (1990) | 0.34 in (1972) |
| December 23 | 46.9°F (2005) | -29.9°F (1983) | 0.14 in (1973) |
| December 24 | 43.0°F (1967) | -18.9°F (1983) | 0.48 in (1996) |
| December 25 | 44.1°F (1972) | -9.0°F (1983) | 0.65 in (1996) |
| December 26 | 52.0°F (1980) | -2.9°F (1988) | 0.37 in (1996) |
| December 27 | 55.0°F (1980) | -7.1°F (1983) | 0.45 in (2002) |
| December 28 | 50.0°F (1980) | -16.1°F (1990) | 0.39 in (2001) |
| December 29 | 46.0°F (2011) | -27.0°F (1990) | 0.70 in (1996) |
| December 30 | 52.0°F (1997) | -25.1°F (1968) | 0.37 in (1980) |
| December 31 | 46.0°F (1996) | -26.0°F (1968) | 0.25 in (1968) |