December weather in Buffalo, SD
The average temperature in Buffalo in December is 23.6°F (13.3°F–33.9°F). Average precipitation: 0.35 inches.
December is a winter month in Buffalo, and is cooler than the annual average of 45.5°F. Daily temperatures swing about 20.6°F between overnight low and afternoon high. Expect about 5 days with precipitation. Daylight averages about 8h 31m. For travel, December is cold.
Avg High
33.9°F
Avg Low
13.3°F
Precipitation
0.35 in
Daylight
8h 31m
December records in Buffalo
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 71.1°F (2021) | -11.7°F (2014) | 0.63 in (2018) |
| December 2 | 60.1°F (1998) | -9.8°F (2006) | 0.06 in (2025) |
| December 3 | 54.0°F (2001) | -9.8°F (2006) | 0.39 in (2013) |
| December 4 | 57.0°F (2007) | -6.9°F (2013) | 0.05 in (2001) |
| December 5 | 55.9°F (2012) | -21.8°F (2013) | 0.08 in (2022) |
| December 6 | 64.9°F (2023) | -23.8°F (2013) | 0.05 in (2025) |
| December 7 | 61.0°F (2023) | -27.8°F (2013) | 0.15 in (2025) |
| December 8 | 63.0°F (2020) | -14.8°F (2013) | 0.08 in (2019) |
| December 9 | 66.0°F (2020) | -19.8°F (2009) | 0.07 in (2013) |
| December 10 | 59.0°F (2002) | -17.0°F (2000) | 0.07 in (2016) |
| December 11 | 64.0°F (2004) | -14.1°F (2000) | 0.15 in (2025) |
| December 12 | 63.0°F (2014) | -16.1°F (2000) | 0.07 in (2025) |
| December 13 | 60.1°F (2014) | -9.0°F (2000) | 0.08 in (2025) |
| December 14 | 61.0°F (1998) | -19.8°F (2008) | 0.07 in (2009) |
| December 15 | 55.0°F (2006) | -21.8°F (2008) | 0.12 in (2022) |
| December 16 | 57.0°F (2023) | -20.7°F (2008) | 0.12 in (2016) |
| December 17 | 61.0°F (1998) | -21.8°F (2016) | 0.05 in (2000) |
| December 18 | 60.1°F (2011) | -10.8°F (2016) | 0.02 in (1999) |
| December 19 | 57.9°F (2023) | -10.8°F (2022) | 0.10 in (2013) |
| December 20 | 57.9°F (2003) | -17.0°F (1998) | 0.06 in (2010) |
| December 21 | 59.0°F (2023) | -21.8°F (2022) | 0.16 in (2022) |
| December 22 | 62.1°F (2020) | -20.7°F (2022) | 0.09 in (2008) |
| December 23 | 55.9°F (2021) | -18.8°F (2022) | 0.20 in (2009) |
| December 24 | 54.0°F (2024) | -11.9°F (2000) | 0.14 in (2013) |
| December 25 | 57.9°F (2025) | -13.9°F (2017) | 0.53 in (2016) |
| December 26 | 57.9°F (2025) | -14.8°F (2017) | 0.38 in (2016) |
| December 27 | 53.1°F (2025) | -9.8°F (2021) | 0.19 in (2003) |
| December 28 | 55.9°F (1999) | -9.8°F (2021) | 0.03 in (2009) |
| December 29 | 59.0°F (2002) | -9.8°F (2014) | 0.30 in (2017) |
| December 30 | 46.9°F (2011) | -17.9°F (2017) | 0.18 in (2017) |
| December 31 | 48.0°F (1999) | -25.8°F (2017) | 0.17 in (2013) |