December weather in Beaver Dam, WI
The average temperature in Beaver Dam in December is 22.9°F (15.4°F–30.4°F). Average precipitation: 1.65 inches. Average snowfall is 8.8 inches.
December is a winter month in Beaver Dam, and is cooler than the annual average of 44.9°F. Daily temperatures swing about 15°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 8h 47m. For travel, December is cold.
Avg High
30.4°F
Avg Low
15.4°F
Precipitation
1.65 in
Snow
8.8 in
December records in Beaver Dam
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 61.0°F (1970) | -2.0°F (1976) | 0.90 in (1985) |
| December 2 | 62.1°F (1962) | -7.1°F (1976) | 1.60 in (2007) |
| December 3 | 62.1°F (1982) | -7.1°F (1976) | 1.10 in (1990) |
| December 4 | 61.0°F (2012) | -0.9°F (1977) | 0.85 in (1973) |
| December 5 | 63.0°F (1998) | -2.0°F (2005) | 0.88 in (1982) |
| December 6 | 64.9°F (2001) | -5.1°F (1893) | 0.86 in (1953) |
| December 7 | 51.1°F (1988) | -14.1°F (1972) | 1.00 in (1974) |
| December 8 | 50.0°F (1984) | -5.1°F (2005) | 1.32 in (1966) |
| December 9 | 55.0°F (2023) | -9.0°F (1958) | 0.80 in (2009) |
| December 10 | 51.1°F (2020) | -15.0°F (1978) | 0.82 in (2003) |
| December 11 | 53.1°F (2015) | -17.0°F (1972) | 1.18 in (1965) |
| December 12 | 53.1°F (1968) | -9.9°F (1962) | 0.89 in (2010) |
| December 13 | 52.0°F (1975) | -16.1°F (1893) | 0.55 in (2001) |
| December 14 | 59.0°F (1975) | -16.1°F (1985) | 1.37 in (2015) |
| December 15 | 52.0°F (2006) | -11.0°F (1961) | 1.46 in (1971) |
| December 16 | 63.0°F (2021) | -8.0°F (1958) | 0.63 in (1992) |
| December 17 | 48.0°F (1966) | -9.9°F (1963) | 0.33 in (2016) |
| December 18 | 46.0°F (2006) | -17.0°F (1983) | 0.45 in (1957) |
| December 19 | 52.0°F (2002) | -24.0°F (1983) | 1.19 in (1968) |
| December 20 | 54.0°F (1967) | -17.0°F (1963) | 1.20 in (1977) |
| December 21 | 53.1°F (1967) | -20.0°F (1989) | 1.00 in (2012) |
| December 22 | 46.0°F (2019) | -16.1°F (1989) | 0.36 in (1968) |
| December 23 | 52.0°F (2019) | -24.0°F (1983) | 1.25 in (2007) |
| December 24 | 53.1°F (2015) | -14.1°F (2022) | 0.60 in (1965) |
| December 25 | 57.9°F (1982) | -15.0°F (1980) | 0.88 in (2009) |
| December 26 | 55.0°F (2019) | -22.0°F (1962) | 0.46 in (2016) |
| December 27 | 50.0°F (2019) | -11.0°F (2017) | 1.07 in (1988) |
| December 28 | 55.9°F (1984) | -13.0°F (1961) | 0.67 in (1968) |
| December 29 | 59.0°F (1984) | -16.1°F (1976) | 1.08 in (2015) |
| December 30 | 54.0°F (2019) | -18.0°F (1963) | 1.17 in (1971) |
| December 31 | 54.0°F (1965) | -18.0°F (1963) | 0.40 in (1957) |