January weather in Hartford, CT
The average temperature in Hartford in January is 28.6°F (20.3°F–36.8°F). Average precipitation: 2.94 inches.
January is a winter month in Hartford, and is cooler than the annual average of 52°F. Daily temperatures swing about 16.5°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 9h 17m. For travel, January is cold.
Avg High
36.8°F
Avg Low
20.3°F
Precipitation
2.94 in
Daylight
9h 17m
January records in Hartford
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 61.0°F (1966) | 0.1°F (2018) | 2.00 in (1979) |
| January 2 | 57.9°F (1979) | -5.1°F (1968) | 1.60 in (1987) |
| January 3 | 62.1°F (2000) | 1.9°F (2001) | 1.64 in (1936) |
| January 4 | 60.1°F (1950) | -2.7°F (2014) | 1.83 in (1999) |
| January 5 | 62.1°F (1993) | -4.0°F (1981) | 1.72 in (1982) |
| January 6 | 71.1°F (2007) | -2.9°F (1996) | 1.72 in (1962) |
| January 7 | 69.1°F (2008) | -9.8°F (2018) | 1.46 in (1938) |
| January 8 | 59.0°F (1930) | -6.0°F (1942) | 2.50 in (1990) |
| January 9 | 64.0°F (1937) | -9.0°F (1968) | 1.51 in (1978) |
| January 10 | 61.0°F (2016) | -8.0°F (1942) | 1.48 in (2016) |
| January 11 | 64.9°F (2020) | -9.9°F (1942) | 1.69 in (1983) |
| January 12 | 70.0°F (2020) | -9.9°F (1981) | 1.16 in (2018) |
| January 13 | 60.1°F (2024) | -7.1°F (1981) | 0.82 in (1948) |
| January 14 | 70.0°F (1932) | -9.0°F (1981) | 1.54 in (1940) |
| January 15 | 63.0°F (1995) | -7.1°F (1988) | 1.78 in (1940) |
| January 16 | 64.0°F (1995) | -7.1°F (1920) | 1.68 in (2021) |
| January 17 | 62.1°F (1995) | -6.0°F (1971) | 0.77 in (1997) |
| January 18 | 64.0°F (1990) | -16.1°F (1997) | 1.65 in (1994) |
| January 19 | 64.0°F (1973) | -16.1°F (1948) | 1.95 in (1936) |
| January 20 | 62.1°F (1996) | -8.0°F (1997) | 1.00 in (1996) |
| January 21 | 62.1°F (1996) | -15.0°F (1984) | 2.20 in (1979) |
| January 22 | 57.0°F (1959) | -17.0°F (1961) | 1.88 in (1958) |
| January 23 | 57.9°F (1967) | -8.0°F (1961) | 1.18 in (1992) |
| January 24 | 64.9°F (1967) | -8.0°F (1948) | 2.16 in (2019) |
| January 25 | 57.9°F (1938) | -5.1°F (1976) | 2.30 in (1979) |
| January 26 | 64.9°F (1950) | -8.0°F (1948) | 1.47 in (1997) |
| January 27 | 59.0°F (1978) | -6.0°F (1994) | 1.82 in (1986) |
| January 28 | 64.9°F (1974) | -9.9°F (1961) | 2.30 in (1976) |
| January 29 | 66.0°F (2002) | -6.0°F (1963) | 1.40 in (1990) |
| January 30 | 60.1°F (1947) | -4.0°F (1961) | 0.90 in (1939) |
| January 31 | 62.1°F (2013) | -11.9°F (1948) | 1.48 in (1942) |