December weather in Milbank, SD
The average temperature in Milbank in December is 18.1°F (9.7°F–26.5°F). Average precipitation: 0.77 inches.
December is a winter month in Milbank, and is cooler than the annual average of 43°F. Daily temperatures swing about 16.8°F between overnight low and afternoon high. Daylight averages about 8h 34m. For travel, December is cold.
Avg High
26.5°F
Avg Low
9.7°F
Precipitation
0.77 in
Daylight
8h 34m
December records in Milbank
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 48.9°F (2009) | -11.0°F (2014) | 0.34 in (2015) |
| December 2 | 59.0°F (2021) | -11.0°F (2014) | 0.10 in (2015) |
| December 3 | 60.1°F (2012) | -6.0°F (2025) | 0.05 in (2025) |
| December 4 | 53.1°F (2012) | -9.0°F (2025) | 0.25 in (2010) |
| December 5 | 46.0°F (2020) | -4.0°F (2025) | 0.15 in (2013) |
| December 6 | 48.0°F (2020) | -9.9°F (2013) | 0.00 in (2009) |
| December 7 | 57.9°F (2023) | -15.0°F (2013) | 0.08 in (2022) |
| December 8 | 60.1°F (2023) | -14.1°F (2013) | 0.15 in (2012) |
| December 9 | 55.0°F (2020) | -9.9°F (2013) | 0.23 in (2012) |
| December 10 | 50.0°F (2015) | -9.0°F (2012) | 0.17 in (2012) |
| December 11 | 48.0°F (2015) | -13.0°F (2013) | 0.25 in (2016) |
| December 12 | 50.0°F (2011) | -14.1°F (2013) | 0.02 in (2016) |
| December 13 | 45.0°F (2021) | -11.0°F (2009) | 0.22 in (2022) |
| December 14 | 50.0°F (2014) | -9.0°F (2025) | 0.40 in (2022) |
| December 15 | 53.1°F (2023) | -14.1°F (2016) | 0.14 in (2022) |
| December 16 | 46.9°F (2018) | -9.0°F (2009) | 0.72 in (2010) |
| December 17 | 52.0°F (2025) | -6.0°F (2016) | 0.14 in (2016) |
| December 18 | 45.0°F (2025) | -25.1°F (2016) | 0.09 in (2021) |
| December 19 | 55.0°F (2011) | -25.1°F (2016) | 0.06 in (2024) |
| December 20 | 44.1°F (2018) | -9.9°F (2022) | 0.08 in (2009) |
| December 21 | 42.1°F (2011) | -13.0°F (2022) | 0.25 in (2010) |
| December 22 | 44.1°F (2019) | -18.0°F (2022) | 0.13 in (2009) |
| December 23 | 57.0°F (2020) | -18.9°F (2022) | 0.15 in (2014) |
| December 24 | 45.0°F (2023) | -18.0°F (2013) | 0.62 in (2023) |
| December 25 | 44.1°F (2021) | -9.9°F (2012) | 0.47 in (2023) |
| December 26 | 43.0°F (2011) | -13.0°F (2017) | 2.53 in (2023) |
| December 27 | 51.1°F (2011) | -14.1°F (2017) | 0.40 in (2018) |
| December 28 | 45.0°F (2025) | -11.9°F (2017) | 0.55 in (2018) |
| December 29 | 48.9°F (2024) | -18.0°F (2018) | 0.29 in (2019) |
| December 30 | 43.0°F (2024) | -18.9°F (2017) | 0.36 in (2019) |
| December 31 | 35.1°F (2011) | -24.0°F (2017) | 0.42 in (2018) |