December weather in Plain, WI
The average temperature in Plain in December is 24.7°F (16.5°F–32.9°F). Average precipitation: 1.20 inches.
December is a winter month in Plain, and is cooler than the annual average of 47.3°F. Daily temperatures swing about 16.4°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 8h 48m. For travel, December is cold.
Avg High
32.9°F
Avg Low
16.5°F
Precipitation
1.20 in
Daylight
8h 48m
December records in Plain
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 62.1°F (1962) | -9.0°F (1976) | 0.96 in (2007) |
| December 2 | 62.1°F (1962) | -7.1°F (1976) | 0.45 in (1950) |
| December 3 | 64.9°F (2012) | -13.0°F (1980) | 0.86 in (2011) |
| December 4 | 63.0°F (2017) | -16.1°F (2025) | 0.34 in (2016) |
| December 5 | 64.0°F (2001) | -16.1°F (2005) | 0.53 in (1948) |
| December 6 | 57.9°F (1975) | -15.9°F (2007) | 0.76 in (1982) |
| December 7 | 53.1°F (2024) | -18.9°F (1972) | 0.94 in (1967) |
| December 8 | 55.0°F (2024) | -15.0°F (1958) | 0.42 in (2008) |
| December 9 | 54.0°F (2020) | -20.0°F (1958) | 0.28 in (2022) |
| December 10 | 64.0°F (2002) | -22.0°F (1958) | 0.90 in (1970) |
| December 11 | 59.0°F (1949) | -26.0°F (1972) | 0.74 in (1965) |
| December 12 | 54.0°F (1968) | -20.0°F (1976) | 0.61 in (1965) |
| December 13 | 61.0°F (2015) | -25.1°F (1958) | 1.74 in (2015) |
| December 14 | 60.1°F (1975) | -17.9°F (2010) | 1.13 in (2022) |
| December 15 | 69.1°F (2021) | -24.0°F (1961) | 0.75 in (1971) |
| December 16 | 60.1°F (1959) | -15.0°F (1951) | 0.46 in (1971) |
| December 17 | 51.1°F (1962) | -27.0°F (1950) | 0.26 in (1963) |
| December 18 | 54.0°F (2002) | -26.0°F (1950) | 0.42 in (1957) |
| December 19 | 48.0°F (1982) | -23.8°F (2016) | 0.43 in (2008) |
| December 20 | 54.0°F (1967) | -24.0°F (1963) | 0.43 in (1952) |
| December 21 | 54.0°F (1967) | -18.0°F (1963) | 0.53 in (2006) |
| December 22 | 53.1°F (2019) | -20.0°F (1963) | 0.44 in (1968) |
| December 23 | 55.9°F (2015) | -26.0°F (1963) | 0.77 in (1979) |
| December 24 | 54.0°F (2023) | -29.9°F (1951) | 0.66 in (2009) |
| December 25 | 55.0°F (2019) | -33.0°F (2000) | 0.37 in (2009) |
| December 26 | 57.9°F (1982) | -27.9°F (1962) | 0.42 in (1954) |
| December 27 | 51.1°F (2008) | -36.0°F (1950) | 0.81 in (2003) |
| December 28 | 50.0°F (2003) | -25.1°F (2000) | 1.00 in (2019) |
| December 29 | 54.0°F (2019) | -18.0°F (1976) | 0.30 in (2019) |
| December 30 | 57.9°F (1965) | -22.9°F (2013) | 0.87 in (1972) |
| December 31 | 59.0°F (1965) | -20.9°F (1963) | 0.36 in (2006) |