January weather in Iroquois, IL
The average temperature in Iroquois in January is 24.1°F (15.5°F–32.7°F). Average precipitation: 2.07 inches. Average snowfall is 5.4 inches.
January is a winter month in Iroquois, and is cooler than the annual average of 50.7°F. Daily temperatures swing about 17.2°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 9h 23m. For travel, January is cold.
Avg High
32.7°F
Avg Low
15.5°F
Precipitation
2.07 in
Snow
5.4 in
January records in Iroquois
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 61.0°F (2005) | -22.0°F (2018) | 1.82 in (1965) |
| January 2 | 57.0°F (1897) | -22.0°F (2018) | 1.74 in (1965) |
| January 3 | 61.0°F (2004) | -22.0°F (2018) | 1.30 in (1897) |
| January 4 | 62.1°F (1997) | -17.0°F (2014) | 1.20 in (1993) |
| January 5 | 64.9°F (1997) | -27.9°F (1999) | 1.03 in (1955) |
| January 6 | 62.1°F (1907) | -27.0°F (1999) | 0.90 in (1899) |
| January 7 | 63.0°F (1907) | -18.0°F (1912) | 1.80 in (1935) |
| January 8 | 64.9°F (2008) | -11.9°F (2014) | 3.57 in (2008) |
| January 9 | 57.9°F (1939) | -9.9°F (1912) | 0.87 in (1930) |
| January 10 | 60.1°F (1975) | -18.9°F (1982) | 1.80 in (1975) |
| January 11 | 57.9°F (2020) | -18.0°F (1982) | 2.04 in (2020) |
| January 12 | 62.1°F (1898) | -15.0°F (1977) | 1.40 in (1916) |
| January 13 | 64.0°F (2005) | -17.0°F (1912) | 1.22 in (2007) |
| January 14 | 57.9°F (1952) | -11.9°F (2015) | 1.78 in (1995) |
| January 15 | 63.0°F (1949) | -18.9°F (1982) | 0.78 in (2007) |
| January 16 | 57.9°F (1949) | -20.9°F (1977) | 1.00 in (1906) |
| January 17 | 64.0°F (1952) | -23.1°F (2009) | 0.38 in (1953) |
| January 18 | 60.1°F (1996) | -18.9°F (1994) | 1.30 in (1949) |
| January 19 | 63.0°F (1907) | -20.0°F (1994) | 0.94 in (1933) |
| January 20 | 68.0°F (1906) | -20.0°F (1994) | 1.06 in (1913) |
| January 21 | 57.0°F (1906) | -16.1°F (1963) | 1.02 in (1958) |
| January 22 | 59.0°F (1909) | -14.1°F (1977) | 2.20 in (1906) |
| January 23 | 68.0°F (1909) | -16.1°F (1963) | 1.15 in (1965) |
| January 24 | 66.0°F (1967) | -20.0°F (1915) | 2.24 in (1950) |
| January 25 | 66.9°F (1950) | -15.0°F (2000) | 1.00 in (1898) |
| January 26 | 66.9°F (1950) | -14.1°F (1904) | 1.47 in (1967) |
| January 27 | 63.0°F (1944) | -18.9°F (1904) | 0.72 in (1967) |
| January 28 | 62.1°F (1914) | -20.9°F (1963) | 0.55 in (1994) |
| January 29 | 64.0°F (2002) | -14.1°F (1977) | 1.28 in (1909) |
| January 30 | 60.1°F (2013) | -18.9°F (2019) | 1.55 in (2013) |
| January 31 | 55.0°F (1988) | -20.0°F (2019) | 1.57 in (2002) |