December weather in Cascade, MT
The average temperature in Cascade in December is 29.1°F (19.9°F–38.3°F). Average precipitation: 0.69 inches. Average snowfall is 10.5 inches.
December is a winter month in Cascade, and is cooler than the annual average of 47°F. Daily temperatures swing about 18.4°F between overnight low and afternoon high. Expect about 5 days with precipitation. Daylight averages about 8h 17m. For travel, December is cold.
Avg High
38.3°F
Avg Low
19.9°F
Precipitation
0.69 in
Snow
10.5 in
December records in Cascade
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 66.9°F (2021) | -36.0°F (1985) | 0.37 in (1921) |
| December 2 | 64.9°F (2021) | -36.9°F (1985) | 0.60 in (1921) |
| December 3 | 64.0°F (1987) | -24.0°F (1972) | 0.40 in (1948) |
| December 4 | 66.0°F (1939) | -27.9°F (1972) | 0.81 in (1978) |
| December 5 | 73.0°F (1939) | -29.0°F (2013) | 0.50 in (1927) |
| December 6 | 64.9°F (1987) | -29.9°F (2013) | 0.30 in (1919) |
| December 7 | 66.9°F (1904) | -34.1°F (2013) | 0.23 in (1922) |
| December 8 | 64.0°F (1940) | -40.0°F (1972) | 0.39 in (2012) |
| December 9 | 66.0°F (1905) | -47.0°F (1919) | 0.34 in (1963) |
| December 10 | 70.0°F (1939) | -25.1°F (1961) | 0.50 in (1929) |
| December 11 | 70.0°F (1924) | -36.0°F (1932) | 2.00 in (1926) |
| December 12 | 64.9°F (2014) | -40.0°F (1922) | 1.15 in (1937) |
| December 13 | 61.0°F (1921) | -38.9°F (1922) | 0.40 in (1916) |
| December 14 | 63.0°F (1969) | -36.9°F (1922) | 0.84 in (2015) |
| December 15 | 63.0°F (1962) | -27.0°F (2008) | 0.40 in (1921) |
| December 16 | 64.0°F (1980) | -35.0°F (1964) | 0.75 in (1929) |
| December 17 | 57.9°F (1923) | -36.0°F (2016) | 0.45 in (1973) |
| December 18 | 60.1°F (1979) | -31.0°F (1924) | 0.24 in (1990) |
| December 19 | 61.0°F (1941) | -25.1°F (1951) | 0.58 in (1909) |
| December 20 | 59.0°F (1933) | -33.0°F (2008) | 0.35 in (1894) |
| December 21 | 60.1°F (1933) | -42.0°F (1990) | 0.42 in (1939) |
| December 22 | 57.9°F (1917) | -36.9°F (1990) | 0.38 in (1904) |
| December 23 | 57.9°F (1923) | -29.9°F (1983) | 0.59 in (1982) |
| December 24 | 59.0°F (1919) | -45.0°F (1983) | 0.31 in (1967) |
| December 25 | 62.1°F (2005) | -31.0°F (1983) | 0.35 in (2014) |
| December 26 | 61.0°F (1980) | -36.0°F (1916) | 0.24 in (1971) |
| December 27 | 66.0°F (1980) | -36.9°F (1916) | 0.56 in (2003) |
| December 28 | 59.0°F (1956) | -38.9°F (1968) | 0.56 in (2006) |
| December 29 | 62.1°F (1956) | -51.0°F (1968) | 0.43 in (1996) |
| December 30 | 57.9°F (1917) | -41.1°F (1968) | 0.34 in (2004) |
| December 31 | 62.1°F (1917) | -47.0°F (1923) | 0.40 in (1925) |