December weather in Sunburst, MT
The average temperature in Sunburst in December is 23.0°F (13.8°F–32.3°F). Average precipitation: 0.75 inches.
December is a winter month in Sunburst, and is cooler than the annual average of 43.3°F. Daily temperatures swing about 18.5°F between overnight low and afternoon high. Expect about 5 days with precipitation. Daylight averages about 8h 3m. For travel, December is cold.
Avg High
32.3°F
Avg Low
13.8°F
Precipitation
0.75 in
Daylight
8h 3m
December records in Sunburst
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 57.0°F (2008) | -22.0°F (1985) | 0.17 in (1975) |
| December 2 | 51.1°F (1988) | -18.0°F (1985) | 0.19 in (1964) |
| December 3 | 57.9°F (1987) | -9.9°F (1980) | 0.19 in (1977) |
| December 4 | 59.0°F (1988) | -13.0°F (2005) | 0.25 in (1966) |
| December 5 | 53.1°F (1988) | -22.0°F (2013) | 0.45 in (2009) |
| December 6 | 57.0°F (1987) | -29.0°F (2013) | 0.49 in (2009) |
| December 7 | 53.1°F (1987) | -47.9°F (2013) | 0.30 in (1977) |
| December 8 | 52.0°F (1990) | -27.0°F (2013) | 0.16 in (1967) |
| December 9 | 53.1°F (2002) | -16.1°F (2000) | 0.19 in (1989) |
| December 10 | 54.0°F (1993) | -15.0°F (2009) | 0.47 in (1953) |
| December 11 | 53.1°F (2004) | -18.9°F (2000) | 0.30 in (1987) |
| December 12 | 53.1°F (2002) | -17.0°F (2000) | 0.30 in (1993) |
| December 13 | 55.9°F (1998) | -20.9°F (2009) | 0.96 in (2008) |
| December 14 | 55.9°F (1997) | -24.0°F (2008) | 0.27 in (2009) |
| December 15 | 52.0°F (1980) | -26.0°F (2008) | 0.28 in (2000) |
| December 16 | 64.0°F (1980) | -20.9°F (2000) | 0.24 in (2006) |
| December 17 | 53.1°F (2004) | -27.0°F (1983) | 0.18 in (1967) |
| December 18 | 53.1°F (2004) | -18.9°F (1983) | 0.30 in (1951) |
| December 19 | 55.9°F (2004) | -25.1°F (1990) | 0.18 in (1988) |
| December 20 | 53.1°F (1994) | -26.0°F (1990) | 0.15 in (1980) |
| December 21 | 51.1°F (1994) | -27.0°F (1989) | 0.22 in (1966) |
| December 22 | 57.0°F (1994) | -25.1°F (1990) | 0.32 in (1964) |
| December 23 | 53.1°F (1994) | -33.0°F (1983) | 0.22 in (1974) |
| December 24 | 55.9°F (1999) | -38.9°F (1983) | 0.03 in (1976) |
| December 25 | 55.9°F (2005) | -22.0°F (1983) | 0.12 in (1978) |
| December 26 | 54.0°F (1980) | -18.0°F (1996) | 0.09 in (1973) |
| December 27 | 64.0°F (1999) | -29.9°F (1996) | 0.15 in (1976) |
| December 28 | 60.1°F (1999) | -27.9°F (1996) | 0.41 in (2003) |
| December 29 | 55.0°F (1999) | -29.9°F (1990) | 0.16 in (1972) |
| December 30 | 48.9°F (1980) | -34.1°F (1992) | 0.28 in (1977) |
| December 31 | 48.0°F (1997) | -14.1°F (1981) | 0.16 in (1959) |