January weather in Lake Mills, WI
The average temperature in Lake Mills in January is 19.1°F (11.4°F–26.8°F). Average precipitation: 1.41 inches. Average snowfall is 10.7 inches.
January is a winter month in Lake Mills, and is cooler than the annual average of 47.4°F. Daily temperatures swing about 15.4°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 9h 9m. For travel, January is cold.
Avg High
26.8°F
Avg Low
11.4°F
Precipitation
1.41 in
Snow
10.7 in
January records in Lake Mills
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 55.9°F (1897) | -18.0°F (1947) | 0.90 in (1941) |
| January 2 | 54.0°F (1897) | -22.0°F (1979) | 0.85 in (1937) |
| January 3 | 54.0°F (1897) | -20.0°F (1979) | 0.95 in (2006) |
| January 4 | 54.0°F (1998) | -20.0°F (1919) | 1.24 in (1897) |
| January 5 | 57.9°F (1998) | -22.0°F (1979) | 1.46 in (1939) |
| January 6 | 51.1°F (2019) | -20.9°F (1909) | 0.90 in (1918) |
| January 7 | 48.0°F (2008) | -25.1°F (1942) | 0.56 in (1907) |
| January 8 | 53.1°F (2008) | -24.0°F (1929) | 1.27 in (1937) |
| January 9 | 55.9°F (2026) | -22.0°F (1977) | 0.65 in (1901) |
| January 10 | 50.0°F (1928) | -24.0°F (1982) | 1.44 in (1996) |
| January 11 | 53.1°F (1975) | -25.1°F (1979) | 3.16 in (1996) |
| January 12 | 54.0°F (2012) | -25.1°F (1912) | 0.98 in (1960) |
| January 13 | 53.1°F (2006) | -23.1°F (1912) | 1.05 in (1960) |
| January 14 | 52.0°F (2026) | -27.0°F (1929) | 0.86 in (1940) |
| January 15 | 52.0°F (1953) | -27.0°F (1929) | 1.26 in (1906) |
| January 16 | 54.0°F (1933) | -23.1°F (1963) | 0.70 in (1969) |
| January 17 | 57.0°F (1894) | -27.9°F (1982) | 0.70 in (1953) |
| January 18 | 51.1°F (1973) | -27.0°F (1994) | 1.09 in (1996) |
| January 19 | 48.0°F (1907) | -29.0°F (1994) | 1.26 in (1907) |
| January 20 | 48.0°F (2006) | -29.0°F (1985) | 1.17 in (1988) |
| January 21 | 48.9°F (1934) | -23.1°F (1984) | 0.67 in (1895) |
| January 22 | 50.0°F (1964) | -24.0°F (1936) | 0.98 in (2018) |
| January 23 | 52.0°F (1909) | -27.0°F (1963) | 4.73 in (1996) |
| January 24 | 55.9°F (1909) | -27.0°F (1936) | 1.75 in (1938) |
| January 25 | 55.0°F (1967) | -27.0°F (1904) | 1.44 in (1950) |
| January 26 | 60.1°F (1944) | -23.1°F (1930) | 11.44 in (1996) |
| January 27 | 54.0°F (1944) | -18.0°F (1904) | 1.96 in (1916) |
| January 28 | 50.0°F (2006) | -22.0°F (1926) | 1.68 in (1996) |
| January 29 | 53.1°F (1914) | -23.1°F (1966) | 1.30 in (2006) |
| January 30 | 55.9°F (2013) | -33.0°F (1951) | 1.45 in (1947) |
| January 31 | 55.9°F (2025) | -29.0°F (2019) | 0.61 in (1989) |