December weather in Long Lake, SD
The average temperature in Long Lake in December is 17.2°F (9.2°F–25.3°F). Average precipitation: 0.55 inches.
December is a winter month in Long Lake, and is cooler than the annual average of 41.9°F. Daily temperatures swing about 16.1°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 8h 29m. For travel, December is cold.
Avg High
25.3°F
Avg Low
9.2°F
Precipitation
0.55 in
Daylight
8h 29m
December records in Long Lake
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 63.1°F (2021) | -13.2°F (2014) | 0.47 in (2007) |
| December 2 | 52.0°F (2017) | -4.0°F (2024) | 0.06 in (2013) |
| December 3 | 51.1°F (2012) | -10.1°F (2025) | 0.07 in (2013) |
| December 4 | 46.6°F (2020) | -6.9°F (2025) | 0.21 in (2021) |
| December 5 | 47.5°F (2020) | -12.1°F (2013) | 0.03 in (2016) |
| December 6 | 57.6°F (2023) | -16.6°F (2013) | 0.22 in (2016) |
| December 7 | 53.1°F (2020) | -21.1°F (2013) | 0.17 in (2012) |
| December 8 | 54.5°F (2020) | -11.9°F (2013) | 0.24 in (2012) |
| December 9 | 54.7°F (2015) | -16.1°F (2013) | 0.12 in (2025) |
| December 10 | 49.3°F (2015) | -14.3°F (2016) | 0.08 in (2016) |
| December 11 | 43.9°F (2011) | -19.1°F (2013) | 0.11 in (2016) |
| December 12 | 45.0°F (2017) | -12.5°F (2016) | 0.12 in (2022) |
| December 13 | 44.4°F (2017) | -8.3°F (2009) | 0.49 in (2022) |
| December 14 | 49.3°F (2023) | -13.2°F (2016) | 0.25 in (2022) |
| December 15 | 45.3°F (2018) | -17.1°F (2009) | 0.28 in (2015) |
| December 16 | 44.8°F (2025) | -4.7°F (2009) | 0.21 in (2016) |
| December 17 | 41.2°F (2025) | -26.0°F (2016) | 0.07 in (2025) |
| December 18 | 53.2°F (2011) | -25.8°F (2016) | 0.05 in (2024) |
| December 19 | 43.9°F (2018) | -15.2°F (2022) | 0.10 in (2013) |
| December 20 | 41.9°F (2007) | -14.8°F (2022) | 0.20 in (2010) |
| December 21 | 41.2°F (2019) | -22.2°F (2022) | 0.18 in (2009) |
| December 22 | 52.7°F (2023) | -22.9°F (2022) | 0.20 in (2014) |
| December 23 | 44.8°F (2023) | -23.4°F (2013) | 0.24 in (2010) |
| December 24 | 43.0°F (2021) | -20.4°F (2022) | 0.13 in (2009) |
| December 25 | 41.7°F (2011) | -14.4°F (2022) | 0.75 in (2016) |
| December 26 | 48.6°F (2011) | -17.5°F (2017) | 0.43 in (2023) |
| December 27 | 46.4°F (2024) | -13.9°F (2017) | 0.10 in (2009) |
| December 28 | 46.4°F (2011) | -17.0°F (2021) | 0.69 in (2019) |
| December 29 | 46.8°F (2024) | -17.3°F (2021) | 0.25 in (2020) |
| December 30 | 37.6°F (2024) | -22.5°F (2017) | 0.31 in (2010) |
| December 31 | 37.2°F (2011) | -27.8°F (2017) | 0.16 in (2010) |