January weather in Beaver Dam, WI
The average temperature in Beaver Dam in January is 16.8°F (8.8°F–24.7°F). Average precipitation: 1.49 inches. Average snowfall is 13.0 inches.
January is a winter month in Beaver Dam, and is cooler than the annual average of 44.9°F. Daily temperatures swing about 15.9°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 9h 7m. For travel, January is cold.
Avg High
24.7°F
Avg Low
8.8°F
Precipitation
1.49 in
Snow
13.0 in
January records in Beaver Dam
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 53.1°F (2003) | -14.1°F (1969) | 0.55 in (1985) |
| January 2 | 45.0°F (1894) | -20.9°F (1979) | 0.65 in (2005) |
| January 3 | 48.0°F (1998) | -20.0°F (1979) | 0.77 in (1951) |
| January 4 | 50.0°F (1998) | -14.1°F (1969) | 0.72 in (1982) |
| January 5 | 48.0°F (2007) | -23.1°F (1979) | 0.54 in (1998) |
| January 6 | 48.0°F (2007) | -22.0°F (1970) | 0.62 in (1962) |
| January 7 | 48.0°F (1965) | -22.0°F (2014) | 0.49 in (2019) |
| January 8 | 45.0°F (2003) | -18.0°F (1971) | 0.63 in (2019) |
| January 9 | 53.1°F (2003) | -20.9°F (1977) | 0.52 in (1990) |
| January 10 | 54.0°F (2002) | -25.1°F (1982) | 0.33 in (2024) |
| January 11 | 59.0°F (2002) | -26.0°F (1979) | 0.42 in (2017) |
| January 12 | 51.1°F (2012) | -17.0°F (1974) | 0.75 in (1895) |
| January 13 | 53.1°F (1961) | -18.0°F (1893) | 0.71 in (2005) |
| January 14 | 53.1°F (1894) | -20.9°F (1963) | 0.57 in (1995) |
| January 15 | 45.0°F (1990) | -36.0°F (1963) | 0.42 in (1998) |
| January 16 | 46.0°F (1974) | -27.9°F (1963) | 0.72 in (1969) |
| January 17 | 46.9°F (1894) | -29.0°F (1982) | 0.56 in (2017) |
| January 18 | 55.0°F (1996) | -27.9°F (1994) | 0.96 in (1996) |
| January 19 | 46.9°F (1973) | -31.0°F (1994) | 0.66 in (1973) |
| January 20 | 55.0°F (1894) | -26.0°F (1985) | 1.35 in (1988) |
| January 21 | 50.0°F (1964) | -24.0°F (1984) | 0.40 in (1959) |
| January 22 | 48.9°F (1964) | -18.9°F (1970) | 1.10 in (2005) |
| January 23 | 46.9°F (1967) | -27.9°F (1963) | 0.37 in (2018) |
| January 24 | 50.0°F (1981) | -18.9°F (2026) | 0.72 in (1964) |
| January 25 | 52.0°F (1967) | -20.9°F (1963) | 0.60 in (1895) |
| January 26 | 53.1°F (1973) | -24.0°F (2019) | 0.88 in (1978) |
| January 27 | 48.9°F (2002) | -18.9°F (2019) | 0.98 in (1974) |
| January 28 | 53.1°F (2002) | -25.1°F (1963) | 0.86 in (1949) |
| January 29 | 48.0°F (2025) | -23.1°F (1966) | 1.17 in (2006) |
| January 30 | 50.0°F (2013) | -27.0°F (2019) | 0.95 in (2001) |
| January 31 | 55.9°F (2025) | -31.0°F (2019) | 0.28 in (2021) |