December weather in Mahtomedi, MN
The average temperature in Mahtomedi in December is 20.0°F (12.5°F–27.5°F). Average precipitation: 1.21 inches.
December is a winter month in Mahtomedi, and is cooler than the annual average of 44.3°F. Daily temperatures swing about 15°F between overnight low and afternoon high. Daylight averages about 8h 35m. For travel, December is cold.
Avg High
27.5°F
Avg Low
12.5°F
Precipitation
1.21 in
Daylight
8h 35m
December records in Mahtomedi
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 46.0°F (2017) | -2.9°F (2014) | 0.51 in (2019) |
| December 2 | 50.0°F (2017) | -2.0°F (2014) | 0.70 in (2007) |
| December 3 | 50.0°F (2012) | 1.0°F (2007) | 0.34 in (2013) |
| December 4 | 54.0°F (2012) | -7.1°F (2025) | 0.59 in (2013) |
| December 5 | 55.0°F (2017) | -6.0°F (2025) | 0.36 in (2007) |
| December 6 | 43.0°F (2015) | -9.9°F (2007) | 0.09 in (2008) |
| December 7 | 46.0°F (2023) | -11.0°F (2013) | 0.05 in (2007) |
| December 8 | 53.1°F (2023) | -9.0°F (2013) | 0.10 in (2016) |
| December 9 | 46.9°F (2023) | -7.1°F (2007) | 0.42 in (2009) |
| December 10 | 50.0°F (2020) | -7.1°F (2013) | 1.05 in (2012) |
| December 11 | 46.0°F (2020) | -11.0°F (2019) | 0.86 in (2010) |
| December 12 | 41.0°F (2006) | -9.9°F (2024) | 1.11 in (2010) |
| December 13 | 39.9°F (2012) | -13.0°F (2010) | 0.01 in (2006) |
| December 14 | 45.0°F (2014) | -17.0°F (2010) | 0.56 in (2015) |
| December 15 | 52.0°F (2023) | -14.1°F (2025) | 0.62 in (2015) |
| December 16 | 57.0°F (2021) | -13.0°F (2008) | 0.46 in (2022) |
| December 17 | 45.0°F (2018) | -11.9°F (2008) | 0.33 in (2016) |
| December 18 | 41.0°F (2025) | -20.9°F (2016) | 0.10 in (2021) |
| December 19 | 46.9°F (2011) | -20.9°F (2016) | 0.32 in (2024) |
| December 20 | 43.0°F (2006) | -4.0°F (2025) | 0.07 in (2013) |
| December 21 | 41.0°F (2023) | -9.9°F (2022) | 0.41 in (2010) |
| December 22 | 41.0°F (2016) | -13.0°F (2008) | 0.86 in (2006) |
| December 23 | 44.1°F (2020) | -15.0°F (2008) | 0.11 in (2015) |
| December 24 | 48.0°F (2023) | -13.0°F (2013) | 0.51 in (2009) |
| December 25 | 53.1°F (2023) | -11.0°F (2013) | 0.64 in (2009) |
| December 26 | 53.1°F (2023) | -11.0°F (2017) | 1.04 in (2016) |
| December 27 | 48.9°F (2011) | -15.0°F (2017) | 0.52 in (2018) |
| December 28 | 39.9°F (2024) | -14.1°F (2017) | 0.70 in (2018) |
| December 29 | 44.1°F (2013) | -14.1°F (2017) | 1.02 in (2019) |
| December 30 | 41.0°F (2019) | -18.9°F (2013) | 0.21 in (2020) |
| December 31 | 42.1°F (2010) | -18.0°F (2017) | 0.65 in (2006) |