December weather in Plymouth, WI
The average temperature in Plymouth in December is 25.2°F (18.3°F–32.1°F). Average precipitation: 1.82 inches. Average snowfall is 10.7 inches.
December is a winter month in Plymouth, and is cooler than the annual average of 45.7°F. Daily temperatures swing about 13.8°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 8h 45m. For travel, December is cold.
Avg High
32.1°F
Avg Low
18.3°F
Precipitation
1.82 in
Snow
10.7 in
December records in Plymouth
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 63.0°F (1970) | -0.9°F (1930) | 1.19 in (1985) |
| December 2 | 63.0°F (1962) | -8.0°F (1976) | 1.52 in (2007) |
| December 3 | 62.1°F (1982) | -15.0°F (1940) | 1.15 in (1970) |
| December 4 | 63.0°F (1998) | -2.0°F (2008) | 1.27 in (1973) |
| December 5 | 61.0°F (2001) | 0.0°F (2008) | 0.79 in (1982) |
| December 6 | 66.9°F (2001) | -5.1°F (1972) | 0.95 in (1950) |
| December 7 | 57.9°F (1946) | -14.1°F (1972) | 1.06 in (1967) |
| December 8 | 63.0°F (1946) | -7.1°F (1927) | 1.28 in (1966) |
| December 9 | 60.1°F (1946) | -13.0°F (1977) | 0.98 in (2009) |
| December 10 | 53.1°F (1911) | -11.9°F (1919) | 1.10 in (1971) |
| December 11 | 55.9°F (2015) | -9.0°F (1976) | 0.96 in (1970) |
| December 12 | 57.0°F (1949) | -8.0°F (1995) | 1.02 in (1965) |
| December 13 | 53.1°F (1991) | -7.1°F (1961) | 0.69 in (1928) |
| December 14 | 59.0°F (1975) | -14.1°F (1926) | 1.30 in (2015) |
| December 15 | 52.0°F (2015) | -14.1°F (1919) | 1.75 in (1987) |
| December 16 | 64.9°F (2021) | -11.9°F (1932) | 0.94 in (1992) |
| December 17 | 51.1°F (1939) | -11.9°F (1919) | 0.45 in (1912) |
| December 18 | 52.0°F (1923) | -18.9°F (1983) | 0.48 in (1957) |
| December 19 | 52.0°F (1918) | -20.0°F (1983) | 0.86 in (1968) |
| December 20 | 48.9°F (1949) | -16.1°F (1989) | 0.94 in (2012) |
| December 21 | 53.1°F (1967) | -18.9°F (1989) | 4.00 in (2000) |
| December 22 | 50.0°F (1931) | -13.0°F (1989) | 0.74 in (2006) |
| December 23 | 52.0°F (2019) | -20.0°F (1983) | 1.28 in (2006) |
| December 24 | 54.0°F (2015) | -20.0°F (1983) | 1.28 in (1979) |
| December 25 | 57.9°F (1982) | -15.0°F (1983) | 1.70 in (2009) |
| December 26 | 52.0°F (1982) | -16.1°F (1914) | 0.65 in (2016) |
| December 27 | 53.1°F (2019) | -15.0°F (1924) | 1.59 in (1942) |
| December 28 | 60.1°F (1984) | -20.0°F (1924) | 1.85 in (1959) |
| December 29 | 61.0°F (1984) | -14.1°F (1976) | 1.32 in (2015) |
| December 30 | 55.9°F (2022) | -14.1°F (1976) | 1.39 in (1971) |
| December 31 | 55.9°F (2004) | -16.1°F (1967) | 0.44 in (1957) |