December weather in Genoa City, WI
The average temperature in Genoa City in December is 27.3°F (19.6°F–35.0°F). Average precipitation: 1.64 inches.
December is a winter month in Genoa City, and is cooler than the annual average of 47°F. Daily temperatures swing about 15.4°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 8h 54m. For travel, December is cold.
Avg High
35.0°F
Avg Low
19.6°F
Precipitation
1.64 in
Daylight
8h 54m
December records in Genoa City
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 52.0°F (2017) | 1.9°F (2025) | 0.85 in (2007) |
| December 2 | 57.9°F (2012) | 5.0°F (2025) | 0.69 in (2018) |
| December 3 | 61.0°F (2012) | 12.9°F (2025) | 0.35 in (2018) |
| December 4 | 66.9°F (2012) | -4.0°F (2025) | 0.50 in (2011) |
| December 5 | 61.0°F (2017) | -9.9°F (2025) | 0.44 in (2016) |
| December 6 | 45.0°F (2015) | 10.0°F (2024) | 0.10 in (2007) |
| December 7 | 46.9°F (2015) | 6.1°F (2021) | 0.26 in (2025) |
| December 8 | 50.0°F (2023) | -2.9°F (2025) | 0.07 in (2012) |
| December 9 | 55.0°F (2023) | 3.9°F (2025) | 0.80 in (2009) |
| December 10 | 51.1°F (2020) | 3.0°F (2013) | 0.47 in (2022) |
| December 11 | 55.0°F (2015) | 7.0°F (2009) | 1.17 in (2021) |
| December 12 | 46.9°F (2015) | -8.0°F (2025) | 1.40 in (2020) |
| December 13 | 59.0°F (2015) | -2.9°F (2024) | 0.25 in (2020) |
| December 14 | 66.9°F (2015) | -6.0°F (2025) | 1.35 in (2015) |
| December 15 | 55.9°F (2015) | -2.9°F (2016) | 1.08 in (2022) |
| December 16 | 64.0°F (2021) | -2.9°F (2016) | 0.31 in (2012) |
| December 17 | 51.1°F (2015) | 6.1°F (2013) | 0.33 in (2016) |
| December 18 | 43.0°F (2025) | -0.9°F (2016) | 0.23 in (2016) |
| December 19 | 48.9°F (2025) | -16.1°F (2016) | 0.73 in (2008) |
| December 20 | 46.9°F (2017) | -16.1°F (2016) | 0.69 in (2012) |
| December 21 | 44.1°F (2012) | 0.0°F (2024) | 0.77 in (2012) |
| December 22 | 48.0°F (2015) | -2.9°F (2024) | 0.53 in (2015) |
| December 23 | 52.0°F (2019) | -11.9°F (2022) | 0.63 in (2023) |
| December 24 | 64.9°F (2015) | -7.1°F (2022) | 0.63 in (2015) |
| December 25 | 52.0°F (2019) | 0.0°F (2022) | 0.93 in (2009) |
| December 26 | 55.0°F (2019) | -7.1°F (2017) | 0.27 in (2023) |
| December 27 | 57.0°F (2019) | -8.0°F (2017) | 0.40 in (2021) |
| December 28 | 51.1°F (2018) | -9.0°F (2017) | 0.84 in (2008) |
| December 29 | 54.0°F (2019) | 0.0°F (2017) | 1.25 in (2015) |
| December 30 | 55.9°F (2022) | -2.9°F (2017) | 0.62 in (2020) |
| December 31 | 48.0°F (2010) | -7.1°F (2017) | 0.52 in (2011) |