January weather in Lancaster, WI
The average temperature in Lancaster in January is 17.1°F (8.9°F–25.3°F). Average precipitation: 1.20 inches. Average snowfall is 10.0 inches.
January is a winter month in Lancaster, and is cooler than the annual average of 46.3°F. Daily temperatures swing about 16.4°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 9h 11m. For travel, January is cold.
Avg High
25.3°F
Avg Low
8.9°F
Precipitation
1.20 in
Snow
10.0 in
January records in Lancaster
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 60.1°F (1897) | -18.0°F (1974) | 0.90 in (1916) |
| January 2 | 46.0°F (1913) | -23.1°F (1979) | 0.97 in (1941) |
| January 3 | 50.0°F (1998) | -20.0°F (1904) | 0.68 in (1897) |
| January 4 | 48.9°F (1998) | -23.1°F (1942) | 1.20 in (1971) |
| January 5 | 46.9°F (1946) | -27.9°F (1924) | 1.32 in (1946) |
| January 6 | 55.0°F (2012) | -26.0°F (1988) | 0.54 in (1989) |
| January 7 | 46.9°F (1949) | -29.0°F (1912) | 1.08 in (2019) |
| January 8 | 48.9°F (2003) | -24.0°F (1942) | 0.84 in (1937) |
| January 9 | 54.0°F (1939) | -20.9°F (1977) | 1.15 in (2026) |
| January 10 | 52.0°F (2020) | -27.9°F (1982) | 0.31 in (2024) |
| January 11 | 53.1°F (2012) | -23.1°F (1977) | 0.50 in (1893) |
| January 12 | 53.1°F (2012) | -27.9°F (1912) | 0.75 in (1898) |
| January 13 | 48.9°F (1894) | -27.0°F (1916) | 1.30 in (1960) |
| January 14 | 48.0°F (2026) | -23.1°F (1916) | 0.41 in (1940) |
| January 15 | 55.0°F (1953) | -25.1°F (1994) | 0.60 in (1900) |
| January 16 | 54.0°F (1933) | -25.1°F (1977) | 0.65 in (1980) |
| January 17 | 55.0°F (1894) | -29.0°F (1930) | 0.57 in (2017) |
| January 18 | 50.0°F (1944) | -27.9°F (1994) | 1.00 in (1931) |
| January 19 | 48.0°F (2013) | -27.0°F (1994) | 0.80 in (1973) |
| January 20 | 51.1°F (1906) | -27.9°F (1985) | 0.81 in (1988) |
| January 21 | 51.1°F (1906) | -25.1°F (1970) | 0.60 in (1917) |
| January 22 | 52.0°F (1964) | -27.9°F (1936) | 0.76 in (2005) |
| January 23 | 54.0°F (2002) | -31.0°F (1963) | 0.75 in (1965) |
| January 24 | 54.0°F (1981) | -27.0°F (1936) | 1.60 in (1969) |
| January 25 | 57.0°F (1981) | -27.9°F (1904) | 1.25 in (1895) |
| January 26 | 55.0°F (2002) | -26.0°F (1897) | 0.60 in (1916) |
| January 27 | 55.0°F (1944) | -23.1°F (1897) | 0.80 in (1944) |
| January 28 | 55.0°F (2002) | -27.9°F (1915) | 0.67 in (1914) |
| January 29 | 48.9°F (1906) | -26.0°F (1966) | 2.06 in (2013) |
| January 30 | 79.0°F (1917) | -29.0°F (2019) | 0.98 in (1947) |
| January 31 | 57.0°F (2025) | -27.9°F (2019) | 0.80 in (1908) |