January weather in Plum City, WI
The average temperature in Plum City in January is 14.6°F (4.5°F–24.6°F). Average precipitation: 1.13 inches.
January is a winter month in Plum City, and is cooler than the annual average of 45.1°F. Daily temperatures swing about 20.1°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 8h 59m. For travel, January is cold.
Avg High
24.6°F
Avg Low
4.5°F
Precipitation
1.13 in
Daylight
8h 59m
January records in Plum City
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 37.9°F (2012) | -16.1°F (2014) | 0.75 in (2007) |
| January 2 | 37.0°F (2020) | -18.9°F (2010) | 0.42 in (1999) |
| January 3 | 37.0°F (2020) | -24.0°F (2010) | 0.30 in (1994) |
| January 4 | 42.1°F (2019) | -24.0°F (2010) | 0.89 in (2023) |
| January 5 | 45.0°F (2019) | -22.0°F (2018) | 0.29 in (2000) |
| January 6 | 48.0°F (2012) | -22.0°F (2014) | 0.50 in (2026) |
| January 7 | 45.0°F (2012) | -22.0°F (2014) | 0.09 in (2016) |
| January 8 | 44.1°F (2019) | -17.0°F (2022) | 0.28 in (2016) |
| January 9 | 41.0°F (2012) | -22.0°F (2014) | 0.29 in (2000) |
| January 10 | 46.0°F (2018) | -16.1°F (2011) | 0.32 in (1996) |
| January 11 | 55.9°F (2012) | -14.1°F (2016) | 0.50 in (2017) |
| January 12 | 46.0°F (2013) | -13.0°F (2016) | 0.72 in (1993) |
| January 13 | 43.0°F (2026) | -24.0°F (2018) | 0.41 in (2024) |
| January 14 | 43.0°F (2026) | -25.1°F (2018) | 0.20 in (2002) |
| January 15 | 34.0°F (2021) | -23.1°F (2018) | 0.62 in (2021) |
| January 16 | 43.0°F (2023) | -31.0°F (2009) | 0.26 in (1994) |
| January 17 | 37.0°F (2013) | -31.0°F (2009) | 1.14 in (2017) |
| January 18 | 39.0°F (2015) | -15.0°F (2016) | 0.72 in (1996) |
| January 19 | 45.0°F (2013) | -15.0°F (2008) | 0.60 in (2023) |
| January 20 | 43.0°F (2018) | -18.0°F (2008) | 0.25 in (1998) |
| January 21 | 41.0°F (2018) | -27.0°F (2011) | 0.68 in (2005) |
| January 22 | 41.0°F (2018) | -27.0°F (2011) | 0.39 in (1999) |
| January 23 | 37.9°F (2017) | -20.9°F (2026) | 0.86 in (2018) |
| January 24 | 37.0°F (2010) | -22.0°F (2008) | 0.27 in (2010) |
| January 25 | 42.1°F (2015) | -22.0°F (2008) | 0.28 in (2017) |
| January 26 | 42.1°F (2018) | -23.1°F (2022) | 0.41 in (1996) |
| January 27 | 46.9°F (2018) | -20.9°F (2022) | 0.10 in (1994) |
| January 28 | 42.1°F (2008) | -22.0°F (2014) | 0.46 in (2006) |
| January 29 | 48.0°F (2008) | -22.0°F (2014) | 0.20 in (2013) |
| January 30 | 48.0°F (2008) | -27.9°F (2019) | 0.20 in (2008) |
| January 31 | 52.0°F (2025) | -36.9°F (2019) | 0.30 in (2014) |