December weather in New Witten, SD
The average temperature in New Witten in December is 27.5°F (17.7°F–37.4°F). Average precipitation: 0.26 inches.
December is a winter month in New Witten, and is cooler than the annual average of 50.2°F. Daily temperatures swing about 19.7°F between overnight low and afternoon high. Expect about 3 days with precipitation. Daylight averages about 8h 47m. For travel, December is cold.
Avg High
37.4°F
Avg Low
17.7°F
Precipitation
0.26 in
Daylight
8h 47m
December records in New Witten
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 73.9°F (1998) | -2.7°F (2014) | 0.53 in (2015) |
| December 2 | 73.0°F (1998) | 5.0°F (2006) | 0.02 in (2008) |
| December 3 | 60.1°F (2012) | -5.1°F (2006) | 0.03 in (2013) |
| December 4 | 62.1°F (2020) | -4.0°F (2002) | 0.07 in (2017) |
| December 5 | 64.9°F (2012) | -11.0°F (2005) | 0.03 in (2008) |
| December 6 | 69.1°F (2023) | -15.9°F (2013) | 0.00 in (1998) |
| December 7 | 73.0°F (2023) | -14.8°F (2013) | 0.00 in (1998) |
| December 8 | 63.0°F (2020) | -11.9°F (2005) | 0.24 in (2022) |
| December 9 | 66.9°F (2015) | -7.8°F (2013) | 0.09 in (2007) |
| December 10 | 62.1°F (2017) | -5.1°F (2000) | 0.54 in (2021) |
| December 11 | 62.1°F (2004) | -11.0°F (2000) | 0.08 in (2008) |
| December 12 | 63.0°F (2014) | -16.1°F (2000) | 0.22 in (2015) |
| December 13 | 59.0°F (2014) | -9.9°F (2000) | 1.28 in (2022) |
| December 14 | 70.0°F (1998) | -9.8°F (2008) | 0.10 in (2014) |
| December 15 | 59.0°F (2002) | -12.8°F (2008) | 0.58 in (2015) |
| December 16 | 64.0°F (2025) | -4.9°F (2008) | 0.09 in (2016) |
| December 17 | 64.0°F (1998) | -16.8°F (2016) | 0.05 in (2025) |
| December 18 | 63.0°F (2011) | -6.9°F (2022) | 0.00 in (1998) |
| December 19 | 55.9°F (2025) | -6.9°F (2022) | 0.00 in (1998) |
| December 20 | 63.0°F (2003) | -11.7°F (2022) | 0.15 in (2010) |
| December 21 | 54.0°F (2003) | -16.8°F (2022) | 0.05 in (2017) |
| December 22 | 71.1°F (2025) | -18.8°F (2022) | 0.12 in (2006) |
| December 23 | 53.1°F (2023) | -11.7°F (2013) | 0.23 in (2020) |
| December 24 | 55.0°F (2025) | -7.8°F (2022) | 0.05 in (2023) |
| December 25 | 63.0°F (2025) | -5.8°F (2022) | 0.46 in (2016) |
| December 26 | 64.0°F (2025) | -13.9°F (2017) | 0.07 in (2018) |
| December 27 | 60.1°F (2025) | -5.8°F (2017) | 0.10 in (2019) |
| December 28 | 59.0°F (1999) | -3.8°F (2018) | 0.25 in (2019) |
| December 29 | 63.0°F (1999) | -5.8°F (2014) | 0.09 in (2011) |
| December 30 | 60.1°F (2004) | -11.7°F (2014) | 0.11 in (2024) |
| December 31 | 57.9°F (1999) | -21.8°F (2017) | 0.04 in (2013) |