December weather in Dorchester, WI
The average temperature in Dorchester in December is 18.1°F (10.3°F–25.9°F). Average precipitation: 1.43 inches. Average snowfall is 15.2 inches.
December is a winter month in Dorchester, and is cooler than the annual average of 41.8°F. Daily temperatures swing about 15.6°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 8h 36m. For travel, December is cold.
Avg High
25.9°F
Avg Low
10.3°F
Precipitation
1.43 in
Snow
15.2 in
December records in Dorchester
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 57.0°F (1962) | -20.0°F (1893) | 0.54 in (1970) |
| December 2 | 55.0°F (1998) | -20.0°F (1897) | 1.45 in (1912) |
| December 3 | 59.0°F (1982) | -22.0°F (1940) | 0.54 in (1945) |
| December 4 | 54.0°F (1998) | -16.1°F (1985) | 1.41 in (1934) |
| December 5 | 55.9°F (2001) | -8.0°F (1976) | 0.42 in (1971) |
| December 6 | 60.1°F (2001) | -18.0°F (1955) | 0.75 in (1909) |
| December 7 | 52.0°F (1946) | -27.0°F (1972) | 0.62 in (1950) |
| December 8 | 52.0°F (1946) | -20.9°F (1917) | 0.40 in (1901) |
| December 9 | 52.0°F (1939) | -24.0°F (1927) | 0.90 in (1899) |
| December 10 | 46.0°F (1990) | -24.0°F (1919) | 0.65 in (1911) |
| December 11 | 51.1°F (1913) | -20.9°F (1977) | 0.63 in (2021) |
| December 12 | 48.9°F (1913) | -17.0°F (1995) | 1.62 in (1965) |
| December 13 | 51.1°F (1913) | -25.1°F (1903) | 0.48 in (1972) |
| December 14 | 46.9°F (2021) | -27.9°F (1901) | 1.01 in (2015) |
| December 15 | 48.0°F (1998) | -27.9°F (1901) | 1.70 in (1891) |
| December 16 | 55.0°F (2021) | -27.9°F (1932) | 1.05 in (1940) |
| December 17 | 46.0°F (1895) | -23.1°F (1985) | 0.70 in (1908) |
| December 18 | 44.1°F (1923) | -27.0°F (1983) | 0.30 in (1977) |
| December 19 | 48.0°F (1923) | -27.9°F (1983) | 1.25 in (1939) |
| December 20 | 51.1°F (1894) | -25.1°F (1983) | 0.55 in (1952) |
| December 21 | 53.1°F (1899) | -27.0°F (1989) | 0.43 in (1977) |
| December 22 | 48.9°F (1900) | -27.0°F (1989) | 0.87 in (1942) |
| December 23 | 54.0°F (1965) | -27.9°F (1983) | 0.90 in (2007) |
| December 24 | 42.1°F (2020) | -29.0°F (2004) | 1.14 in (1932) |
| December 25 | 48.9°F (2023) | -31.0°F (1933) | 1.05 in (1895) |
| December 26 | 48.9°F (1936) | -29.0°F (1962) | 0.80 in (2016) |
| December 27 | 48.9°F (1936) | -29.9°F (1933) | 0.50 in (1911) |
| December 28 | 39.9°F (1896) | -27.9°F (1917) | 2.40 in (1904) |
| December 29 | 45.0°F (1984) | -29.0°F (1917) | 0.97 in (2019) |
| December 30 | 46.0°F (1904) | -25.1°F (2013) | 0.77 in (1972) |
| December 31 | 46.9°F (1904) | -27.9°F (1898) | 0.90 in (1906) |