January weather in Beloit, WI
The average temperature in Beloit in January is 17.9°F (10.7°F–25.1°F). Average precipitation: 1.60 inches. Average snowfall is 9.8 inches.
January is a winter month in Beloit, and is cooler than the annual average of 45.4°F. Daily temperatures swing about 14.4°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 9h 13m. For travel, January is cold.
Avg High
25.1°F
Avg Low
10.7°F
Precipitation
1.60 in
Snow
9.8 in
January records in Beloit
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 55.9°F (1897) | -14.1°F (2018) | 1.03 in (1941) |
| January 2 | 54.0°F (1897) | -17.0°F (1945) | 1.24 in (2005) |
| January 3 | 55.9°F (2000) | -18.9°F (1924) | 0.95 in (2006) |
| January 4 | 55.0°F (1998) | -22.0°F (1919) | 1.20 in (1922) |
| January 5 | 60.1°F (1997) | -26.0°F (1924) | 1.10 in (1939) |
| January 6 | 50.0°F (1933) | -24.0°F (1924) | 0.80 in (1918) |
| January 7 | 57.9°F (2008) | -20.9°F (1912) | 0.70 in (1913) |
| January 8 | 61.0°F (2008) | -20.0°F (1942) | 1.10 in (1937) |
| January 9 | 59.0°F (2026) | -17.0°F (1982) | 0.88 in (1930) |
| January 10 | 55.9°F (1939) | -24.0°F (1982) | 0.55 in (1975) |
| January 11 | 55.0°F (1975) | -20.9°F (1979) | 0.71 in (2013) |
| January 12 | 53.1°F (2013) | -22.0°F (1912) | 2.70 in (1960) |
| January 13 | 53.1°F (1961) | -17.0°F (1912) | 1.50 in (1916) |
| January 14 | 53.1°F (2026) | -18.0°F (1893) | 1.00 in (1940) |
| January 15 | 55.0°F (1953) | -23.1°F (1994) | 1.00 in (1960) |
| January 16 | 54.0°F (1973) | -23.1°F (1977) | 1.80 in (1900) |
| January 17 | 57.9°F (1894) | -24.0°F (2009) | 0.74 in (2017) |
| January 18 | 55.9°F (1894) | -26.0°F (1994) | 0.90 in (1907) |
| January 19 | 59.0°F (1986) | -25.1°F (1994) | 0.70 in (1952) |
| January 20 | 59.0°F (1906) | -26.0°F (1985) | 1.35 in (1988) |
| January 21 | 52.0°F (1921) | -18.9°F (1984) | 0.81 in (1904) |
| January 22 | 55.0°F (1964) | -22.0°F (1936) | 0.78 in (1965) |
| January 23 | 55.0°F (1909) | -24.0°F (1936) | 1.80 in (1909) |
| January 24 | 61.0°F (1967) | -22.0°F (1936) | 2.25 in (1938) |
| January 25 | 60.1°F (1950) | -27.0°F (1904) | 1.12 in (1950) |
| January 26 | 61.0°F (1944) | -20.0°F (1897) | 0.85 in (1941) |
| January 27 | 57.0°F (1944) | -20.0°F (2019) | 0.94 in (1916) |
| January 28 | 61.0°F (2002) | -20.9°F (1915) | 0.45 in (1893) |
| January 29 | 54.0°F (1914) | -20.9°F (1966) | 1.31 in (2006) |
| January 30 | 59.0°F (2013) | -27.0°F (2019) | 0.99 in (2001) |
| January 31 | 55.0°F (2025) | -29.0°F (2019) | 1.10 in (1915) |