January weather in Hartford, WI
The average temperature in Hartford in January is 17.2°F (8.5°F–25.9°F). Average precipitation: 1.52 inches. Average snowfall is 10.0 inches.
January is a winter month in Hartford, and is cooler than the annual average of 44.7°F. Daily temperatures swing about 17.4°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 9h 8m. For travel, January is cold.
Avg High
25.9°F
Avg Low
8.5°F
Precipitation
1.52 in
Snow
10.0 in
January records in Hartford
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 46.9°F (2007) | -18.9°F (1901) | 0.63 in (1985) |
| January 2 | 42.1°F (1964) | -24.0°F (1979) | 0.75 in (2005) |
| January 3 | 52.0°F (2000) | -20.0°F (1979) | 1.30 in (1897) |
| January 4 | 51.1°F (1998) | -18.0°F (2014) | 0.65 in (1982) |
| January 5 | 48.0°F (2007) | -27.9°F (1979) | 0.50 in (1962) |
| January 6 | 48.0°F (2007) | -25.1°F (1986) | 0.43 in (2005) |
| January 7 | 46.9°F (1900) | -26.0°F (1986) | 0.46 in (2026) |
| January 8 | 53.1°F (2008) | -22.0°F (1979) | 1.16 in (2008) |
| January 9 | 55.0°F (2026) | -25.1°F (1977) | 0.52 in (1998) |
| January 10 | 53.1°F (2002) | -35.0°F (1982) | 0.76 in (1901) |
| January 11 | 53.1°F (1975) | -35.0°F (1979) | 0.56 in (2017) |
| January 12 | 52.0°F (2012) | -18.9°F (1982) | 0.96 in (1898) |
| January 13 | 52.0°F (1961) | -14.1°F (1963) | 0.84 in (2024) |
| January 14 | 51.1°F (2026) | -18.0°F (1994) | 0.68 in (1995) |
| January 15 | 46.9°F (1990) | -29.0°F (1979) | 0.51 in (1949) |
| January 16 | 48.9°F (1990) | -26.0°F (1994) | 0.69 in (1969) |
| January 17 | 54.0°F (1996) | -32.1°F (1982) | 0.38 in (1900) |
| January 18 | 54.0°F (1996) | -27.9°F (1994) | 0.59 in (1949) |
| January 19 | 55.0°F (1996) | -33.0°F (1994) | 0.96 in (1988) |
| January 20 | 46.9°F (1901) | -32.1°F (1985) | 0.55 in (1951) |
| January 21 | 48.9°F (1964) | -23.1°F (1984) | 0.50 in (2007) |
| January 22 | 51.1°F (1964) | -20.0°F (2025) | 0.90 in (1993) |
| January 23 | 48.0°F (1964) | -26.0°F (1963) | 2.00 in (1988) |
| January 24 | 48.9°F (1981) | -20.0°F (2026) | 0.41 in (1979) |
| January 25 | 52.0°F (1967) | -16.1°F (1996) | 1.13 in (1895) |
| January 26 | 53.1°F (1973) | -26.0°F (2019) | 0.95 in (1978) |
| January 27 | 50.0°F (1973) | -18.9°F (2019) | 1.00 in (1996) |
| January 28 | 51.1°F (2002) | -20.9°F (1963) | 0.79 in (2019) |
| January 29 | 44.1°F (1968) | -25.1°F (1966) | 0.95 in (2006) |
| January 30 | 54.0°F (2013) | -25.1°F (2019) | 0.63 in (2013) |
| January 31 | 53.1°F (2025) | -29.0°F (2019) | 0.34 in (1986) |