January weather in Galesburg, IL
The average temperature in Galesburg in January is 21.9°F (13.8°F–30.0°F). Average precipitation: 1.69 inches. Average snowfall is 9.0 inches.
January is a winter month in Galesburg, and is cooler than the annual average of 50.2°F. Daily temperatures swing about 16.2°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 9h 22m. For travel, January is cold.
Avg High
30.0°F
Avg Low
13.8°F
Precipitation
1.69 in
Snow
9.0 in
January records in Galesburg
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 57.9°F (2005) | -20.0°F (2018) | 2.15 in (1965) |
| January 2 | 64.0°F (2004) | -20.0°F (2018) | 2.50 in (1897) |
| January 3 | 61.0°F (1998) | -18.0°F (1904) | 1.63 in (1897) |
| January 4 | 63.0°F (1997) | -15.0°F (1947) | 0.77 in (2007) |
| January 5 | 55.9°F (1956) | -18.0°F (1999) | 1.09 in (1929) |
| January 6 | 55.9°F (1908) | -16.1°F (2014) | 0.99 in (1955) |
| January 7 | 63.0°F (2008) | -17.0°F (1968) | 0.79 in (1998) |
| January 8 | 64.0°F (2008) | -14.1°F (1970) | 1.35 in (1935) |
| January 9 | 59.0°F (2026) | -16.1°F (1982) | 1.03 in (1946) |
| January 10 | 55.0°F (2020) | -25.1°F (1982) | 0.90 in (1957) |
| January 11 | 54.0°F (2012) | -15.0°F (1977) | 1.10 in (2014) |
| January 12 | 60.1°F (1960) | -18.9°F (1974) | 1.45 in (1966) |
| January 13 | 54.0°F (1961) | -11.0°F (1957) | 1.48 in (1950) |
| January 14 | 55.9°F (1952) | -20.0°F (1957) | 1.15 in (1995) |
| January 15 | 61.0°F (1949) | -20.9°F (1994) | 0.56 in (1969) |
| January 16 | 60.1°F (1990) | -27.0°F (2009) | 0.70 in (1897) |
| January 17 | 55.9°F (1996) | -18.9°F (1977) | 1.50 in (1900) |
| January 18 | 57.0°F (1951) | -20.0°F (1994) | 1.30 in (1933) |
| January 19 | 61.0°F (1952) | -20.9°F (1985) | 0.89 in (1996) |
| January 20 | 64.0°F (1906) | -22.0°F (1985) | 1.75 in (1904) |
| January 21 | 66.0°F (1957) | -20.0°F (1970) | 1.25 in (1959) |
| January 22 | 61.0°F (1967) | -13.0°F (2025) | 1.85 in (1929) |
| January 23 | 68.0°F (1909) | -18.9°F (1963) | 2.00 in (1898) |
| January 24 | 68.0°F (1950) | -13.0°F (1963) | 2.12 in (1938) |
| January 25 | 64.9°F (1950) | -17.0°F (2008) | 1.05 in (1895) |
| January 26 | 57.9°F (2002) | -13.0°F (1904) | 1.39 in (1974) |
| January 27 | 60.1°F (1944) | -17.0°F (1904) | 0.77 in (1949) |
| January 28 | 55.9°F (2002) | -16.1°F (1963) | 1.20 in (2006) |
| January 29 | 57.9°F (2013) | -20.0°F (1899) | 1.23 in (2001) |
| January 30 | 61.0°F (2013) | -20.9°F (2019) | 1.28 in (2013) |
| January 31 | 66.0°F (1989) | -20.9°F (2019) | 0.88 in (2021) |