January weather in Stockton, IL
The average temperature in Stockton in January is 20.0°F (12.1°F–27.8°F). Average precipitation: 1.17 inches. Average snowfall is 10.7 inches.
January is a winter month in Stockton, and is cooler than the annual average of 47.9°F. Daily temperatures swing about 15.7°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 9h 14m. For travel, January is cold.
Avg High
27.8°F
Avg Low
12.1°F
Precipitation
1.17 in
Snow
10.7 in
January records in Stockton
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 44.1°F (1950) | -16.1°F (1969) | 1.04 in (1985) |
| January 2 | 54.0°F (2000) | -24.0°F (1979) | 0.50 in (1966) |
| January 3 | 52.0°F (1998) | -20.9°F (2014) | 1.10 in (1971) |
| January 4 | 57.0°F (1997) | -16.1°F (1999) | 0.65 in (1990) |
| January 5 | 52.0°F (2012) | -24.0°F (1999) | 1.37 in (1946) |
| January 6 | 52.0°F (2012) | -20.0°F (1988) | 0.50 in (1982) |
| January 7 | 52.0°F (2008) | -22.0°F (1988) | 0.97 in (2019) |
| January 8 | 55.9°F (2003) | -23.1°F (1986) | 0.45 in (1967) |
| January 9 | 55.9°F (2026) | -16.1°F (1977) | 0.54 in (1946) |
| January 10 | 51.1°F (1975) | -26.0°F (1982) | 0.53 in (2024) |
| January 11 | 53.1°F (2012) | -25.1°F (1979) | 0.20 in (2018) |
| January 12 | 52.0°F (2006) | -18.0°F (1974) | 2.90 in (1960) |
| January 13 | 50.0°F (1961) | -14.1°F (1963) | 0.76 in (1950) |
| January 14 | 51.1°F (2026) | -16.1°F (1994) | 0.56 in (1952) |
| January 15 | 55.9°F (1953) | -22.0°F (1994) | 1.38 in (1960) |
| January 16 | 51.1°F (1990) | -29.0°F (2009) | 0.78 in (1980) |
| January 17 | 52.0°F (1990) | -25.1°F (1982) | 0.43 in (2023) |
| January 18 | 53.1°F (1996) | -26.0°F (1994) | 0.67 in (1996) |
| January 19 | 51.1°F (1981) | -25.1°F (1994) | 0.81 in (1952) |
| January 20 | 48.0°F (1981) | -27.9°F (1985) | 0.92 in (1988) |
| January 21 | 53.1°F (1957) | -27.9°F (1985) | 0.41 in (1999) |
| January 22 | 53.1°F (2002) | -16.1°F (2025) | 0.75 in (1965) |
| January 23 | 48.0°F (1964) | -25.1°F (1963) | 0.53 in (1996) |
| January 24 | 57.0°F (1967) | -18.0°F (2026) | 1.10 in (2021) |
| January 25 | 55.0°F (1981) | -16.1°F (2008) | 1.25 in (1950) |
| January 26 | 57.0°F (1944) | -24.0°F (2019) | 0.50 in (1974) |
| January 27 | 61.0°F (2002) | -17.0°F (1955) | 1.10 in (1944) |
| January 28 | 50.0°F (2006) | -18.0°F (1977) | 0.43 in (2006) |
| January 29 | 57.0°F (2013) | -23.1°F (1966) | 1.07 in (2001) |
| January 30 | 46.9°F (1974) | -27.9°F (2019) | 1.28 in (1947) |
| January 31 | 54.0°F (2025) | -32.1°F (2019) | 0.32 in (2002) |