December weather in Salem, SD
The average temperature in Salem in December is 18.7°F (9.8°F–27.7°F). Average precipitation: 0.67 inches.
December is a winter month in Salem, and is cooler than the annual average of 44.4°F. Daily temperatures swing about 17.9°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 8h 45m. For travel, December is cold.
Avg High
27.7°F
Avg Low
9.8°F
Precipitation
0.67 in
Daylight
8h 45m
December records in Salem
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 57.0°F (2012) | -6.0°F (2014) | 0.30 in (2015) |
| December 2 | 61.0°F (2021) | -2.9°F (2025) | 0.18 in (2018) |
| December 3 | 57.0°F (2012) | -4.0°F (2022) | 0.16 in (2008) |
| December 4 | 46.9°F (2020) | -13.0°F (2025) | 0.35 in (2013) |
| December 5 | 54.0°F (2012) | -5.1°F (2013) | 0.02 in (2010) |
| December 6 | 44.1°F (2012) | -20.0°F (2013) | 0.02 in (2017) |
| December 7 | 57.0°F (2023) | -20.9°F (2013) | 0.29 in (2025) |
| December 8 | 60.1°F (2023) | -2.0°F (2013) | 0.13 in (2008) |
| December 9 | 54.0°F (2020) | -14.1°F (2013) | 0.64 in (2022) |
| December 10 | 50.0°F (2015) | -13.0°F (2012) | 0.12 in (2016) |
| December 11 | 41.0°F (2011) | -18.0°F (2013) | 0.64 in (2021) |
| December 12 | 48.0°F (2014) | -11.0°F (2010) | 0.11 in (2025) |
| December 13 | 54.0°F (2014) | -11.9°F (2016) | 0.73 in (2022) |
| December 14 | 55.9°F (2014) | -18.0°F (2025) | 0.15 in (2022) |
| December 15 | 48.0°F (2023) | -15.0°F (2008) | 0.78 in (2014) |
| December 16 | 48.0°F (2021) | -6.0°F (2008) | 0.27 in (2016) |
| December 17 | 46.9°F (2025) | -18.9°F (2016) | 0.06 in (2016) |
| December 18 | 54.0°F (2011) | -29.9°F (2016) | 0.40 in (2012) |
| December 19 | 43.0°F (2018) | -9.9°F (2010) | 0.02 in (2010) |
| December 20 | 45.0°F (2018) | -11.9°F (2022) | 0.17 in (2010) |
| December 21 | 44.1°F (2023) | -11.9°F (2022) | 0.20 in (2017) |
| December 22 | 57.0°F (2020) | -20.9°F (2022) | 0.15 in (2014) |
| December 23 | 46.0°F (2023) | -20.9°F (2013) | 0.16 in (2009) |
| December 24 | 51.1°F (2023) | -18.9°F (2013) | 0.68 in (2023) |
| December 25 | 55.0°F (2016) | -14.1°F (2017) | 0.67 in (2016) |
| December 26 | 53.1°F (2011) | -18.9°F (2017) | 0.70 in (2018) |
| December 27 | 42.1°F (2025) | -18.0°F (2017) | 0.37 in (2018) |
| December 28 | 48.0°F (2011) | -4.0°F (2015) | 0.34 in (2019) |
| December 29 | 48.9°F (2024) | -14.1°F (2014) | 0.40 in (2019) |
| December 30 | 46.9°F (2024) | -18.0°F (2014) | 0.43 in (2010) |
| December 31 | 43.0°F (2025) | -26.0°F (2017) | 0.54 in (2024) |