December weather in Box Elder, SD
The average temperature in Box Elder in December is 25.6°F (13.9°F–37.2°F). Average precipitation: 0.35 inches. Average snowfall is 6.7 inches.
December is a winter month in Box Elder, and is cooler than the annual average of 46.7°F. Daily temperatures swing about 23.3°F between overnight low and afternoon high. Expect about 5 days with precipitation. Daylight averages about 8h 42m. For travel, December is cold.
Avg High
37.2°F
Avg Low
13.9°F
Precipitation
0.35 in
Snow
6.7 in
December records in Box Elder
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 73.9°F (2021) | -14.1°F (1985) | 0.52 in (2018) |
| December 2 | 75.0°F (2021) | -18.9°F (1985) | 0.21 in (1966) |
| December 3 | 68.0°F (1948) | -6.0°F (2006) | 0.29 in (1955) |
| December 4 | 75.0°F (1965) | -5.1°F (1972) | 0.50 in (1960) |
| December 5 | 66.9°F (1987) | -22.0°F (1972) | 0.18 in (1956) |
| December 6 | 64.9°F (1981) | -20.0°F (1972) | 0.19 in (1982) |
| December 7 | 69.1°F (1984) | -13.9°F (2013) | 0.12 in (1972) |
| December 8 | 68.0°F (2020) | -23.1°F (1972) | 0.18 in (2007) |
| December 9 | 70.0°F (1957) | -18.9°F (1972) | 0.24 in (1989) |
| December 10 | 68.0°F (1987) | -14.1°F (1972) | 0.50 in (2021) |
| December 11 | 71.1°F (2014) | -18.9°F (2000) | 0.12 in (2008) |
| December 12 | 71.1°F (2014) | -18.9°F (2000) | 0.24 in (1992) |
| December 13 | 64.9°F (1988) | -15.0°F (1985) | 0.40 in (1975) |
| December 14 | 70.0°F (1998) | -25.1°F (1989) | 0.92 in (1996) |
| December 15 | 64.0°F (2025) | -22.0°F (1989) | 0.22 in (2022) |
| December 16 | 66.9°F (2025) | -20.0°F (1964) | 0.30 in (2016) |
| December 17 | 69.1°F (1998) | -23.1°F (1964) | 0.22 in (1985) |
| December 18 | 70.0°F (1979) | -20.0°F (1983) | 0.30 in (1973) |
| December 19 | 62.1°F (2025) | -17.0°F (1990) | 0.30 in (2013) |
| December 20 | 63.0°F (1954) | -20.0°F (1983) | 0.29 in (1967) |
| December 21 | 64.9°F (1991) | -25.1°F (1983) | 0.17 in (1966) |
| December 22 | 66.9°F (2020) | -29.0°F (1989) | 0.12 in (1999) |
| December 23 | 66.0°F (1955) | -27.0°F (1983) | 0.26 in (1980) |
| December 24 | 63.0°F (2025) | -26.0°F (1983) | 0.30 in (1948) |
| December 25 | 71.1°F (2025) | -20.9°F (1983) | 0.35 in (2016) |
| December 26 | 64.0°F (2025) | -23.1°F (1996) | 0.26 in (1969) |
| December 27 | 60.1°F (2025) | -11.7°F (2017) | 0.24 in (1987) |
| December 28 | 62.1°F (1999) | -17.0°F (1990) | 0.17 in (1955) |
| December 29 | 64.9°F (1965) | -29.0°F (1990) | 0.13 in (1967) |
| December 30 | 60.1°F (1965) | -29.9°F (1990) | 0.32 in (2024) |
| December 31 | 62.1°F (1963) | -20.7°F (2017) | 1.04 in (1975) |