December weather in White Rock, SD
The average temperature in White Rock in December is 16.6°F (8.2°F–25.1°F). Average precipitation: 0.74 inches. Average snowfall is 9.9 inches.
December is a winter month in White Rock, and is cooler than the annual average of 42.8°F. Daily temperatures swing about 16.9°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 8h 28m. For travel, December is cold.
Avg High
25.1°F
Avg Low
8.2°F
Precipitation
0.74 in
Snow
9.9 in
December records in White Rock
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 46.9°F (1939) | -11.0°F (2014) | 0.61 in (2007) |
| December 2 | 57.0°F (2021) | -9.0°F (2014) | 0.13 in (2024) |
| December 3 | 54.0°F (2012) | -9.0°F (2007) | 0.13 in (2013) |
| December 4 | 53.1°F (2012) | -11.9°F (2025) | 0.30 in (2010) |
| December 5 | 55.9°F (1939) | -11.0°F (2000) | 0.17 in (2003) |
| December 6 | 70.0°F (1939) | -11.0°F (2007) | 0.09 in (1950) |
| December 7 | 57.9°F (1939) | -18.0°F (2013) | 0.04 in (2016) |
| December 8 | 57.0°F (2023) | -13.0°F (2007) | 0.08 in (2008) |
| December 9 | 60.1°F (1939) | -11.0°F (2007) | 0.27 in (2019) |
| December 10 | 52.0°F (2006) | -11.9°F (2009) | 0.64 in (1949) |
| December 11 | 57.0°F (2006) | -15.0°F (2019) | 0.63 in (1949) |
| December 12 | 55.0°F (1939) | -22.0°F (2000) | 0.10 in (2005) |
| December 13 | 46.9°F (2011) | -22.0°F (2000) | 0.07 in (2016) |
| December 14 | 46.9°F (2014) | -15.0°F (2000) | 0.24 in (2008) |
| December 15 | 55.0°F (2023) | -16.1°F (2008) | 0.34 in (2008) |
| December 16 | 57.9°F (1939) | -18.9°F (2008) | 0.47 in (2023) |
| December 17 | 46.9°F (2025) | -11.0°F (2008) | 0.20 in (2016) |
| December 18 | 53.1°F (1939) | -25.1°F (2016) | 0.34 in (2021) |
| December 19 | 50.0°F (2011) | -17.0°F (2016) | 0.24 in (2024) |
| December 20 | 48.0°F (2006) | -14.1°F (2000) | 0.17 in (2013) |
| December 21 | 48.0°F (2006) | -17.0°F (2013) | 0.24 in (2008) |
| December 22 | 44.1°F (2004) | -20.0°F (2008) | 0.05 in (2001) |
| December 23 | 50.0°F (2020) | -20.0°F (2008) | 0.42 in (2010) |
| December 24 | 44.1°F (2023) | -18.0°F (2013) | 0.62 in (2023) |
| December 25 | 41.0°F (2011) | -14.1°F (2017) | 0.52 in (2016) |
| December 26 | 51.1°F (2011) | -14.1°F (2017) | 0.93 in (2009) |
| December 27 | 50.0°F (2011) | -16.1°F (2017) | 0.46 in (2018) |
| December 28 | 43.0°F (2006) | -16.1°F (2013) | 0.63 in (2018) |
| December 29 | 39.9°F (2011) | -17.0°F (2021) | 0.30 in (2025) |
| December 30 | 44.1°F (2024) | -20.9°F (2017) | 1.19 in (2005) |
| December 31 | 37.9°F (2024) | -26.0°F (2008) | 0.15 in (2010) |