December weather in Mazomanie, WI
The average temperature in Mazomanie in December is 23.8°F (14.0°F–33.5°F). Average precipitation: 1.61 inches. Average snowfall is 6.5 inches.
December is a winter month in Mazomanie, and is cooler than the annual average of 45.8°F. Daily temperatures swing about 19.5°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 8h 49m. For travel, December is cold.
Avg High
33.5°F
Avg Low
14.0°F
Precipitation
1.61 in
Snow
6.5 in
December records in Mazomanie
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 61.0°F (2003) | 10.0°F (2002) | 0.50 in (2015) |
| December 2 | 54.0°F (2012) | 6.1°F (2005) | 1.30 in (2007) |
| December 3 | 55.0°F (2012) | 7.0°F (2008) | 0.30 in (2011) |
| December 4 | 64.0°F (2012) | -4.0°F (2002) | 0.70 in (2011) |
| December 5 | 59.0°F (2001) | -8.0°F (2005) | 0.37 in (2007) |
| December 6 | 62.1°F (2001) | -14.1°F (2007) | 0.36 in (2004) |
| December 7 | 45.0°F (2012) | -14.1°F (2005) | 0.41 in (2004) |
| December 8 | 51.1°F (2003) | -9.0°F (2005) | 0.23 in (2004) |
| December 9 | 50.0°F (2003) | 0.0°F (2010) | 0.73 in (2009) |
| December 10 | 52.0°F (2020) | -8.0°F (2013) | 1.10 in (2003) |
| December 11 | 57.9°F (2015) | -7.1°F (2013) | 0.63 in (2021) |
| December 12 | 48.0°F (2006) | -11.9°F (2003) | 0.71 in (2010) |
| December 13 | 48.9°F (2006) | -6.0°F (2009) | 0.59 in (2001) |
| December 14 | 60.1°F (2015) | -16.1°F (2010) | 2.17 in (2015) |
| December 15 | 59.0°F (2015) | -15.0°F (2010) | 0.22 in (2012) |
| December 16 | 69.1°F (2021) | -6.0°F (2010) | 0.42 in (2014) |
| December 17 | 61.0°F (2021) | -2.9°F (2008) | 0.25 in (2016) |
| December 18 | 43.0°F (2006) | -9.0°F (2005) | 0.15 in (2016) |
| December 19 | 52.0°F (2002) | -13.0°F (2016) | 0.72 in (2008) |
| December 20 | 48.9°F (2018) | -13.0°F (2016) | 0.72 in (2012) |
| December 21 | 46.9°F (2015) | -9.9°F (2008) | 0.65 in (2006) |
| December 22 | 52.0°F (2003) | -9.9°F (2008) | 0.33 in (2013) |
| December 23 | 55.9°F (2019) | -8.0°F (2008) | 0.90 in (2007) |
| December 24 | 55.9°F (2015) | -18.0°F (2013) | 0.61 in (2001) |
| December 25 | 51.1°F (2019) | -16.1°F (2004) | 0.82 in (2009) |
| December 26 | 57.0°F (2019) | -4.0°F (2008) | 0.04 in (2004) |
| December 27 | 52.0°F (2003) | -7.1°F (2004) | 0.21 in (2008) |
| December 28 | 55.0°F (2003) | -9.0°F (2004) | 0.67 in (2003) |
| December 29 | 57.0°F (2003) | 1.9°F (2010) | 1.49 in (2015) |
| December 30 | 55.0°F (2019) | -16.1°F (2013) | 0.44 in (2020) |
| December 31 | 52.0°F (2002) | -9.9°F (2013) | 0.28 in (2006) |