January weather in Carterville, IL
The average temperature in Carterville in January is 32.4°F (23.4°F–41.3°F). Average precipitation: 3.36 inches. Average snowfall is 3.2 inches.
January is a winter month in Carterville, and is cooler than the annual average of 56°F. Daily temperatures swing about 17.9°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 9h 40m. For travel, January is cold.
Avg High
41.3°F
Avg Low
23.4°F
Precipitation
3.36 in
Snow
3.2 in
January records in Carterville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 70.0°F (1952) | -6.0°F (1977) | 2.09 in (1966) |
| January 2 | 66.9°F (2006) | -2.9°F (1940) | 1.38 in (1951) |
| January 3 | 70.0°F (1939) | -2.9°F (2018) | 3.72 in (1950) |
| January 4 | 68.0°F (1997) | -2.9°F (2018) | 1.42 in (1939) |
| January 5 | 69.1°F (1997) | -9.0°F (1940) | 2.97 in (1993) |
| January 6 | 64.9°F (1998) | -4.0°F (1924) | 1.43 in (1913) |
| January 7 | 66.9°F (1939) | -18.9°F (1912) | 2.10 in (1930) |
| January 8 | 69.1°F (2008) | -8.0°F (1942) | 1.93 in (1946) |
| January 9 | 68.0°F (2026) | -7.1°F (1976) | 1.66 in (1937) |
| January 10 | 68.0°F (2026) | -13.0°F (1982) | 1.29 in (2020) |
| January 11 | 69.1°F (1911) | -25.1°F (1977) | 2.78 in (1950) |
| January 12 | 68.0°F (2005) | -24.0°F (1977) | 1.06 in (2024) |
| January 13 | 69.1°F (2005) | -24.0°F (1912) | 2.74 in (2013) |
| January 14 | 66.9°F (1932) | -8.0°F (1917) | 4.78 in (1937) |
| January 15 | 69.1°F (1949) | -11.0°F (1979) | 1.44 in (1962) |
| January 16 | 70.0°F (1928) | -14.1°F (1912) | 0.90 in (1932) |
| January 17 | 69.1°F (1952) | -24.0°F (1977) | 1.12 in (1994) |
| January 18 | 70.0°F (1923) | -20.0°F (1977) | 1.31 in (1927) |
| January 19 | 68.0°F (1952) | -18.9°F (1994) | 1.94 in (2023) |
| January 20 | 69.1°F (1920) | -15.0°F (1984) | 2.43 in (1990) |
| January 21 | 64.0°F (1964) | -20.9°F (1984) | 1.63 in (1937) |
| January 22 | 69.1°F (2017) | -18.9°F (1984) | 3.52 in (1999) |
| January 23 | 71.1°F (1967) | -14.1°F (1930) | 2.75 in (1982) |
| January 24 | 75.9°F (1943) | -11.0°F (1963) | 2.17 in (1929) |
| January 25 | 73.9°F (1950) | -5.1°F (1940) | 3.21 in (1950) |
| January 26 | 73.9°F (1950) | -5.1°F (1940) | 1.21 in (2021) |
| January 27 | 71.1°F (1911) | -6.0°F (1936) | 1.09 in (2009) |
| January 28 | 70.0°F (1970) | -16.1°F (1963) | 1.56 in (1916) |
| January 29 | 70.0°F (1917) | -2.9°F (1966) | 1.86 in (1916) |
| January 30 | 73.9°F (1931) | -4.0°F (1966) | 2.96 in (1969) |
| January 31 | 73.0°F (1917) | -5.1°F (1899) | 3.00 in (1982) |