January weather in Stillman Valley, IL
The average temperature in Stillman Valley in January is 21.8°F (14.5°F–29.1°F). Average precipitation: 1.60 inches. Average snowfall is 10.9 inches.
January is a winter month in Stillman Valley, and is cooler than the annual average of 49.4°F. Daily temperatures swing about 14.6°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 9h 15m. For travel, January is cold.
Avg High
29.1°F
Avg Low
14.5°F
Precipitation
1.60 in
Snow
10.9 in
January records in Stillman Valley
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 44.1°F (2007) | -13.0°F (1968) | 0.98 in (1965) |
| January 2 | 59.0°F (2000) | -17.0°F (1979) | 0.69 in (2006) |
| January 3 | 57.0°F (1998) | -17.9°F (2014) | 0.96 in (1973) |
| January 4 | 60.1°F (1997) | -15.0°F (1999) | 0.71 in (1993) |
| January 5 | 52.0°F (1998) | -20.9°F (1999) | 0.99 in (1955) |
| January 6 | 60.1°F (2008) | -18.9°F (1988) | 0.64 in (1962) |
| January 7 | 63.0°F (2008) | -18.0°F (1988) | 0.53 in (2019) |
| January 8 | 59.0°F (2026) | -18.9°F (1986) | 0.72 in (1998) |
| January 9 | 57.9°F (2026) | -20.9°F (1982) | 0.57 in (2024) |
| January 10 | 55.0°F (1975) | -27.0°F (1982) | 1.03 in (1975) |
| January 11 | 57.0°F (2012) | -24.0°F (1979) | 0.55 in (1960) |
| January 12 | 55.0°F (1960) | -20.9°F (1974) | 2.46 in (1960) |
| January 13 | 54.0°F (1961) | -9.9°F (1963) | 0.86 in (1979) |
| January 14 | 48.0°F (1952) | -17.0°F (1979) | 1.17 in (1960) |
| January 15 | 55.0°F (1953) | -24.0°F (1979) | 0.25 in (1979) |
| January 16 | 51.1°F (1990) | -25.1°F (2009) | 1.01 in (2017) |
| January 17 | 54.0°F (2025) | -25.1°F (1982) | 0.50 in (1988) |
| January 18 | 57.0°F (1996) | -23.1°F (1994) | 0.47 in (1996) |
| January 19 | 53.1°F (2006) | -24.0°F (1985) | 1.31 in (1988) |
| January 20 | 46.0°F (1981) | -26.0°F (1985) | 1.13 in (1974) |
| January 21 | 55.0°F (2017) | -22.0°F (1970) | 0.81 in (1999) |
| January 22 | 55.0°F (1964) | -16.1°F (1970) | 2.07 in (1965) |
| January 23 | 53.1°F (1967) | -22.0°F (1963) | 0.68 in (1999) |
| January 24 | 60.1°F (1967) | -9.9°F (1963) | 0.78 in (1967) |
| January 25 | 54.0°F (1973) | -16.1°F (2008) | 0.53 in (1990) |
| January 26 | 54.0°F (2002) | -20.7°F (2019) | 1.32 in (1974) |
| January 27 | 59.0°F (2002) | -14.8°F (2019) | 0.26 in (1994) |
| January 28 | 48.9°F (2025) | -20.0°F (1963) | 0.93 in (2006) |
| January 29 | 62.1°F (2013) | -20.0°F (1966) | 1.34 in (2001) |
| January 30 | 55.0°F (2025) | -24.9°F (2019) | 0.68 in (2021) |
| January 31 | 63.0°F (1989) | -30.8°F (2019) | 0.44 in (2025) |