December weather in Wilmot, SD
The average temperature in Wilmot in December is 18.5°F (10.2°F–26.8°F). Average precipitation: 0.76 inches. Average snowfall is 8.9 inches.
December is a winter month in Wilmot, and is cooler than the annual average of 43.2°F. Daily temperatures swing about 16.6°F between overnight low and afternoon high. Expect about 5 days with precipitation. Daylight averages about 8h 32m. For travel, December is cold.
Avg High
26.8°F
Avg Low
10.2°F
Precipitation
0.76 in
Snow
8.9 in
December records in Wilmot
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 54.0°F (2011) | -13.0°F (2014) | 0.51 in (2015) |
| December 2 | 57.9°F (2021) | -11.9°F (2014) | 0.83 in (2007) |
| December 3 | 61.0°F (2012) | -0.9°F (2022) | 0.20 in (1953) |
| December 4 | 53.1°F (2012) | -7.1°F (2025) | 1.00 in (1953) |
| December 5 | 45.0°F (2020) | -7.1°F (2005) | 0.36 in (1960) |
| December 6 | 50.0°F (2006) | -9.9°F (2005) | 0.15 in (1969) |
| December 7 | 57.9°F (2023) | -15.0°F (2013) | 0.50 in (1951) |
| December 8 | 60.1°F (2023) | -15.0°F (2013) | 0.37 in (1963) |
| December 9 | 54.0°F (2020) | -9.0°F (2013) | 0.46 in (2012) |
| December 10 | 63.0°F (2006) | -9.0°F (2009) | 0.20 in (2012) |
| December 11 | 63.0°F (2006) | -13.0°F (2013) | 0.95 in (1949) |
| December 12 | 48.9°F (2011) | -14.1°F (2019) | 1.06 in (1952) |
| December 13 | 44.1°F (2017) | -9.0°F (2010) | 0.37 in (2022) |
| December 14 | 50.0°F (2014) | -11.0°F (2007) | 0.53 in (2022) |
| December 15 | 53.1°F (2023) | -13.0°F (2007) | 0.23 in (1996) |
| December 16 | 48.9°F (2018) | -17.0°F (2008) | 0.50 in (2021) |
| December 17 | 48.9°F (2025) | -8.0°F (2008) | 0.62 in (1977) |
| December 18 | 45.0°F (2025) | -20.9°F (2016) | 0.30 in (2021) |
| December 19 | 53.1°F (2011) | -16.1°F (2016) | 0.40 in (1951) |
| December 20 | 48.0°F (2006) | -9.9°F (2022) | 0.18 in (2008) |
| December 21 | 42.1°F (2011) | -17.0°F (2008) | 0.45 in (2010) |
| December 22 | 42.1°F (2019) | -18.9°F (2022) | 0.65 in (1968) |
| December 23 | 55.0°F (2020) | -18.9°F (2022) | 0.28 in (2014) |
| December 24 | 43.0°F (2005) | -17.0°F (2013) | 0.51 in (2010) |
| December 25 | 42.1°F (2011) | -11.0°F (2017) | 0.58 in (2009) |
| December 26 | 44.1°F (2011) | -13.0°F (2017) | 1.23 in (2023) |
| December 27 | 51.1°F (2011) | -14.1°F (2017) | 0.70 in (2021) |
| December 28 | 44.1°F (2025) | -14.1°F (2017) | 2.90 in (1986) |
| December 29 | 48.9°F (2024) | -17.0°F (2021) | 0.51 in (2019) |
| December 30 | 46.0°F (2024) | -18.9°F (2017) | 0.80 in (2005) |
| December 31 | 36.0°F (2025) | -27.0°F (2017) | 1.00 in (2010) |