December weather in Mount Pleasant, WI
The average temperature in Mount Pleasant in December is 28.9°F (22.2°F–35.5°F). Average precipitation: 1.60 inches.
December is a winter month in Mount Pleasant, and is cooler than the annual average of 48.4°F. Daily temperatures swing about 13.3°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 8h 52m. For travel, December is cold.
Avg High
35.5°F
Avg Low
22.2°F
Precipitation
1.60 in
Daylight
8h 52m
December records in Mount Pleasant
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 59.0°F (2012) | 12.9°F (2002) | 1.05 in (2018) |
| December 2 | 60.1°F (1998) | 11.1°F (2006) | 0.21 in (2018) |
| December 3 | 66.0°F (2012) | 6.3°F (2006) | 0.35 in (2011) |
| December 4 | 64.0°F (2017) | 3.9°F (2025) | 0.65 in (1999) |
| December 5 | 69.1°F (2001) | 0.0°F (2005) | 0.55 in (1999) |
| December 6 | 57.0°F (1998) | 0.0°F (2005) | 0.87 in (1998) |
| December 7 | 52.0°F (2023) | -2.9°F (2005) | 0.94 in (2004) |
| December 8 | 57.9°F (2023) | 3.0°F (2000) | 0.32 in (2012) |
| December 9 | 54.0°F (2020) | -1.8°F (2013) | 0.85 in (2003) |
| December 10 | 59.0°F (2015) | -4.9°F (2013) | 1.10 in (2021) |
| December 11 | 53.1°F (2021) | -0.8°F (2013) | 0.80 in (2020) |
| December 12 | 48.9°F (2021) | -2.7°F (2013) | 0.52 in (2020) |
| December 13 | 55.9°F (2015) | -5.1°F (2000) | 0.91 in (2015) |
| December 14 | 57.0°F (2015) | -5.1°F (2025) | 1.30 in (2022) |
| December 15 | 66.9°F (2021) | 2.1°F (2010) | 0.37 in (2022) |
| December 16 | 66.9°F (2021) | -0.8°F (2013) | 0.36 in (2016) |
| December 17 | 50.0°F (2006) | 0.0°F (2000) | 0.05 in (2016) |
| December 18 | 50.0°F (2002) | -8.9°F (2016) | 0.57 in (2002) |
| December 19 | 54.0°F (2002) | -10.8°F (2016) | 0.19 in (2001) |
| December 20 | 52.0°F (2015) | 1.9°F (2000) | 1.81 in (2012) |
| December 21 | 50.0°F (2019) | -8.0°F (2000) | 0.51 in (2015) |
| December 22 | 55.0°F (2019) | -9.9°F (2000) | 1.41 in (2006) |
| December 23 | 57.9°F (2015) | -7.8°F (2022) | 0.30 in (2015) |
| December 24 | 51.1°F (2023) | -4.0°F (2004) | 0.44 in (2009) |
| December 25 | 57.0°F (2019) | -5.1°F (2000) | 0.74 in (2009) |
| December 26 | 60.1°F (2019) | -4.9°F (2017) | 0.30 in (2015) |
| December 27 | 53.1°F (2008) | -5.8°F (2017) | 0.81 in (2008) |
| December 28 | 53.1°F (2024) | -0.8°F (2017) | 0.97 in (2015) |
| December 29 | 60.1°F (2022) | 3.0°F (1998) | 1.16 in (2019) |
| December 30 | 57.9°F (2022) | -6.9°F (2013) | 0.57 in (2011) |
| December 31 | 55.9°F (2004) | -3.8°F (2017) | 0.46 in (2018) |