January weather in Salem, IL
The average temperature in Salem in January is 29.6°F (20.8°F–38.4°F). Average precipitation: 3.07 inches. Average snowfall is 3.9 inches.
January is a winter month in Salem, and is cooler than the annual average of 54.9°F. Daily temperatures swing about 17.6°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 9h 35m. For travel, January is cold.
Avg High
38.4°F
Avg Low
20.8°F
Precipitation
3.07 in
Snow
3.9 in
January records in Salem
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 66.0°F (2005) | -11.0°F (1968) | 2.30 in (1948) |
| January 2 | 63.0°F (1997) | -7.1°F (2018) | 1.69 in (1999) |
| January 3 | 66.0°F (2000) | -4.0°F (2018) | 1.64 in (1950) |
| January 4 | 68.0°F (1997) | -2.0°F (1959) | 2.43 in (1950) |
| January 5 | 61.0°F (1997) | -8.0°F (1959) | 2.50 in (2005) |
| January 6 | 61.0°F (2012) | -9.9°F (2014) | 1.26 in (2005) |
| January 7 | 64.9°F (1965) | -15.0°F (2014) | 1.98 in (1937) |
| January 8 | 66.9°F (2008) | -15.0°F (2014) | 1.25 in (2008) |
| January 9 | 66.9°F (2026) | -4.0°F (1976) | 1.06 in (1930) |
| January 10 | 62.1°F (1975) | -15.0°F (1982) | 1.34 in (2020) |
| January 11 | 62.1°F (2020) | -17.0°F (1977) | 2.24 in (2020) |
| January 12 | 66.0°F (1995) | -9.9°F (1977) | 1.38 in (1916) |
| January 13 | 66.9°F (2005) | -7.1°F (1997) | 2.69 in (2013) |
| January 14 | 62.1°F (2026) | -9.0°F (1964) | 1.57 in (1937) |
| January 15 | 64.9°F (1990) | -11.0°F (1979) | 1.08 in (2007) |
| January 16 | 69.1°F (1990) | -11.9°F (1977) | 1.23 in (1935) |
| January 17 | 64.9°F (1990) | -20.0°F (1977) | 1.39 in (1988) |
| January 18 | 64.9°F (1974) | -11.9°F (1994) | 1.90 in (2020) |
| January 19 | 62.1°F (1974) | -23.1°F (1994) | 1.25 in (2023) |
| January 20 | 60.1°F (1974) | -17.0°F (1985) | 1.41 in (1954) |
| January 21 | 69.1°F (1986) | -13.0°F (1984) | 1.70 in (1958) |
| January 22 | 64.9°F (1964) | -7.1°F (1970) | 2.04 in (1999) |
| January 23 | 70.0°F (1967) | -11.9°F (1963) | 1.28 in (2019) |
| January 24 | 71.1°F (1943) | -11.9°F (1963) | 1.27 in (1929) |
| January 25 | 64.9°F (1943) | -6.0°F (2003) | 0.50 in (1989) |
| January 26 | 60.1°F (1974) | -5.1°F (2026) | 1.49 in (1950) |
| January 27 | 60.1°F (1968) | -7.1°F (2026) | 0.90 in (1994) |
| January 28 | 70.0°F (1970) | -9.9°F (1961) | 1.39 in (1997) |
| January 29 | 68.0°F (2002) | -7.1°F (1977) | 2.22 in (1969) |
| January 30 | 70.0°F (2002) | -7.1°F (1966) | 2.76 in (1916) |
| January 31 | 69.1°F (1989) | -13.0°F (1965) | 2.20 in (1982) |