December weather in Mission, SD
The average temperature in Mission in December is 25.6°F (14.2°F–37.0°F). Average precipitation: 0.56 inches. Average snowfall is 6.6 inches.
December is a winter month in Mission, and is cooler than the annual average of 47.5°F. Daily temperatures swing about 22.8°F between overnight low and afternoon high. Expect about 5 days with precipitation. Daylight averages about 8h 48m. For travel, December is cold.
Avg High
37.0°F
Avg Low
14.2°F
Precipitation
0.56 in
Snow
6.6 in
December records in Mission
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 66.9°F (1970) | -9.9°F (1985) | 0.50 in (1977) |
| December 2 | 71.1°F (1998) | -15.0°F (1985) | 0.28 in (2007) |
| December 3 | 70.0°F (1998) | -14.1°F (1985) | 0.15 in (2005) |
| December 4 | 60.1°F (1975) | -6.0°F (2006) | 0.07 in (1971) |
| December 5 | 66.9°F (1974) | -15.0°F (2005) | 0.50 in (1976) |
| December 6 | 62.1°F (1988) | -20.0°F (1972) | 0.65 in (1976) |
| December 7 | 60.1°F (1970) | -18.9°F (1972) | 0.20 in (1994) |
| December 8 | 63.0°F (1987) | -13.0°F (1972) | 0.06 in (1980) |
| December 9 | 61.0°F (2006) | -18.9°F (1977) | 0.20 in (2007) |
| December 10 | 66.0°F (2006) | -18.0°F (1977) | 0.49 in (1989) |
| December 11 | 66.0°F (1987) | -11.9°F (1972) | 0.26 in (2000) |
| December 12 | 66.9°F (1968) | -18.9°F (2000) | 0.07 in (1968) |
| December 13 | 57.9°F (1993) | -18.0°F (2000) | 0.21 in (1968) |
| December 14 | 62.1°F (1988) | -15.0°F (1985) | 0.18 in (1981) |
| December 15 | 68.0°F (1998) | -25.1°F (1989) | 0.37 in (1990) |
| December 16 | 63.0°F (2002) | -22.0°F (1989) | 0.23 in (1981) |
| December 17 | 59.0°F (1966) | -20.0°F (1975) | 0.40 in (1977) |
| December 18 | 66.9°F (1976) | -20.0°F (1975) | 0.10 in (1985) |
| December 19 | 68.0°F (1979) | -20.0°F (1989) | 0.25 in (1976) |
| December 20 | 61.0°F (1979) | -18.9°F (1989) | 0.11 in (2010) |
| December 21 | 63.0°F (1979) | -27.9°F (1983) | 0.47 in (2006) |
| December 22 | 57.9°F (1979) | -29.9°F (1989) | 0.24 in (1968) |
| December 23 | 60.1°F (1972) | -32.1°F (1983) | 0.19 in (1980) |
| December 24 | 57.0°F (1971) | -25.1°F (1983) | 0.57 in (1987) |
| December 25 | 52.0°F (1972) | -22.0°F (1983) | 0.32 in (1982) |
| December 26 | 63.0°F (1979) | -23.1°F (1996) | 0.51 in (2009) |
| December 27 | 55.0°F (1994) | -20.9°F (1996) | 0.53 in (2009) |
| December 28 | 60.1°F (1980) | -9.9°F (1968) | 0.31 in (1987) |
| December 29 | 57.9°F (2002) | -20.9°F (1990) | 0.10 in (2006) |
| December 30 | 62.1°F (1999) | -29.0°F (1990) | 0.15 in (1971) |
| December 31 | 55.0°F (2004) | -27.9°F (1967) | 0.30 in (2010) |