December weather in Buffalo Gap, SD
The average temperature in Buffalo Gap in December is 26.1°F (12.6°F–39.7°F). Average precipitation: 0.40 inches. Average snowfall is 6.6 inches.
December is a winter month in Buffalo Gap, and is cooler than the annual average of 47.2°F. Daily temperatures swing about 27.1°F between overnight low and afternoon high. Expect about 4 days with precipitation. Daylight averages about 8h 47m. For travel, December is cold.
Avg High
39.7°F
Avg Low
12.6°F
Precipitation
0.40 in
Snow
6.6 in
December records in Buffalo Gap
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 61.0°F (1998) | -27.9°F (1985) | 0.23 in (2000) |
| December 2 | 70.0°F (1995) | -34.1°F (1985) | 0.35 in (2018) |
| December 3 | 68.0°F (1998) | -11.9°F (1985) | 0.17 in (1992) |
| December 4 | 62.1°F (1975) | -7.1°F (2006) | 0.29 in (2013) |
| December 5 | 70.0°F (1975) | -20.0°F (2013) | 0.21 in (1977) |
| December 6 | 68.0°F (2021) | -27.9°F (1972) | 0.23 in (1980) |
| December 7 | 64.0°F (2023) | -25.1°F (2013) | 0.15 in (1982) |
| December 8 | 63.0°F (2003) | -24.0°F (1972) | 0.39 in (1994) |
| December 9 | 63.0°F (2020) | -27.0°F (1977) | 0.12 in (2019) |
| December 10 | 64.9°F (2020) | -26.0°F (1972) | 0.70 in (2021) |
| December 11 | 69.1°F (1981) | -14.1°F (2000) | 0.33 in (2000) |
| December 12 | 66.9°F (1990) | -26.0°F (2000) | 0.14 in (1984) |
| December 13 | 68.0°F (2014) | -22.0°F (1985) | 0.27 in (1992) |
| December 14 | 64.9°F (2014) | -18.9°F (1985) | 0.49 in (1994) |
| December 15 | 66.9°F (1998) | -29.0°F (2008) | 0.40 in (1990) |
| December 16 | 66.9°F (1980) | -27.9°F (2008) | 0.42 in (2015) |
| December 17 | 64.0°F (2025) | -20.9°F (1989) | 0.48 in (2016) |
| December 18 | 71.1°F (1980) | -34.1°F (1983) | 0.38 in (1973) |
| December 19 | 66.9°F (1979) | -17.0°F (1989) | 0.09 in (1998) |
| December 20 | 63.0°F (2025) | -16.1°F (1990) | 0.26 in (2013) |
| December 21 | 59.0°F (2017) | -43.1°F (1983) | 0.15 in (2017) |
| December 22 | 62.1°F (2003) | -42.0°F (1983) | 0.09 in (1990) |
| December 23 | 70.0°F (2025) | -40.0°F (1989) | 0.14 in (1987) |
| December 24 | 60.1°F (1971) | -43.1°F (1983) | 0.33 in (2009) |
| December 25 | 69.1°F (2025) | -36.0°F (1983) | 0.16 in (2012) |
| December 26 | 66.9°F (2025) | -29.9°F (1983) | 0.75 in (2023) |
| December 27 | 62.1°F (1999) | -16.1°F (2017) | 0.05 in (1975) |
| December 28 | 64.0°F (1980) | -25.1°F (1983) | 0.10 in (2019) |
| December 29 | 57.9°F (1980) | -23.1°F (1990) | 0.26 in (2006) |
| December 30 | 61.0°F (2002) | -26.0°F (1990) | 0.07 in (2017) |
| December 31 | 55.9°F (2004) | -20.0°F (1978) | 0.62 in (1975) |