January weather in Assumption, IL
The average temperature in Assumption in January is °F (°F–°F). Average precipitation: 2.47 inches.
January is a winter month in Assumption, and is cooler than the annual average of 0°F. Expect about 7 days with precipitation. Daylight averages about 9h 30m.
Avg High
°F
Avg Low
°F
Precipitation
2.47 in
Daylight
9h 30m
January records in Assumption
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 48.9°F (1965) | -11.9°F (1968) | 1.27 in (1985) |
| January 2 | 48.0°F (1965) | -5.1°F (1974) | 0.63 in (2021) |
| January 3 | 55.0°F (1998) | -4.0°F (1979) | 1.17 in (1982) |
| January 4 | 64.0°F (1997) | -9.9°F (1974) | 1.75 in (1993) |
| January 5 | 64.9°F (1997) | -14.1°F (1999) | 0.91 in (2004) |
| January 6 | 69.1°F (1997) | -9.9°F (1970) | 0.57 in (2025) |
| January 7 | 63.0°F (1965) | -11.9°F (1968) | 1.00 in (1998) |
| January 8 | 64.0°F (1989) | -11.0°F (1970) | 1.84 in (2008) |
| January 9 | 52.0°F (1972) | -6.0°F (1976) | 0.54 in (2024) |
| January 10 | 61.0°F (1975) | -18.0°F (1982) | 1.40 in (1975) |
| January 11 | 52.0°F (1975) | -15.0°F (1977) | 2.38 in (2020) |
| January 12 | 55.0°F (1995) | -14.1°F (1974) | 0.70 in (2024) |
| January 13 | 60.1°F (1995) | -8.0°F (1977) | 1.50 in (2007) |
| January 14 | 50.0°F (1990) | -9.9°F (1964) | 1.00 in (1995) |
| January 15 | 60.1°F (1990) | -11.0°F (1972) | 1.04 in (2007) |
| January 16 | 66.9°F (1990) | -18.0°F (1977) | 0.35 in (1978) |
| January 17 | 63.0°F (1990) | -24.0°F (1977) | 0.58 in (1969) |
| January 18 | 60.1°F (1986) | -15.0°F (1994) | 1.43 in (2020) |
| January 19 | 60.1°F (1996) | -13.0°F (1984) | 1.00 in (1996) |
| January 20 | 57.0°F (1974) | -20.0°F (1985) | 1.12 in (1974) |
| January 21 | 64.0°F (1986) | -18.9°F (1984) | 1.05 in (1993) |
| January 22 | 64.9°F (1967) | -15.0°F (1977) | 0.89 in (1965) |
| January 23 | 66.9°F (1967) | 0.0°F (1977) | 1.24 in (2019) |
| January 24 | 66.0°F (1967) | -17.0°F (1987) | 0.57 in (2024) |
| January 25 | 61.0°F (1981) | -7.1°F (1987) | 0.57 in (1967) |
| January 26 | 57.0°F (1981) | -2.9°F (1987) | 0.80 in (2012) |
| January 27 | 57.9°F (1973) | -7.1°F (1987) | 0.53 in (1994) |
| January 28 | 66.0°F (1970) | -11.0°F (1977) | 0.97 in (1969) |
| January 29 | 61.0°F (1975) | -9.0°F (1997) | 1.03 in (1969) |
| January 30 | 55.9°F (1974) | -8.0°F (1965) | 1.32 in (2013) |
| January 31 | 68.0°F (1989) | -14.1°F (1965) | 0.93 in (2021) |