January weather in Pontiac, IL
The average temperature in Pontiac in January is 24.8°F (17.2°F–32.4°F). Average precipitation: 1.99 inches. Average snowfall is 6.7 inches.
January is a winter month in Pontiac, and is cooler than the annual average of 51.8°F. Daily temperatures swing about 15.2°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 9h 22m. For travel, January is cold.
Avg High
32.4°F
Avg Low
17.2°F
Precipitation
1.99 in
Snow
6.7 in
January records in Pontiac
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 59.0°F (1952) | -15.0°F (1968) | 1.35 in (1916) |
| January 2 | 57.9°F (1916) | -14.1°F (1928) | 1.97 in (1965) |
| January 3 | 61.0°F (2004) | -11.0°F (1919) | 1.00 in (1999) |
| January 4 | 59.0°F (1998) | -15.0°F (1920) | 1.30 in (2005) |
| January 5 | 64.9°F (1997) | -20.0°F (1999) | 1.10 in (2007) |
| January 6 | 63.0°F (1907) | -22.0°F (1999) | 0.87 in (1955) |
| January 7 | 64.9°F (1907) | -16.1°F (1912) | 0.97 in (1907) |
| January 8 | 66.0°F (2008) | -11.0°F (1970) | 3.40 in (2008) |
| January 9 | 57.0°F (1939) | -8.0°F (1912) | 0.77 in (1930) |
| January 10 | 60.1°F (1939) | -20.9°F (1982) | 1.95 in (1975) |
| January 11 | 57.0°F (1975) | -15.0°F (1982) | 1.23 in (2014) |
| January 12 | 59.0°F (1960) | -20.0°F (1918) | 1.64 in (1916) |
| January 13 | 64.0°F (2005) | -15.0°F (1916) | 1.60 in (1927) |
| January 14 | 62.1°F (1928) | -11.9°F (1957) | 1.55 in (1995) |
| January 15 | 63.0°F (1949) | -24.0°F (1927) | 0.59 in (1962) |
| January 16 | 57.0°F (1949) | -20.0°F (1977) | 0.67 in (1907) |
| January 17 | 62.1°F (1952) | -20.0°F (2009) | 0.60 in (1911) |
| January 18 | 57.9°F (1990) | -18.0°F (1930) | 1.04 in (1949) |
| January 19 | 61.0°F (1907) | -18.0°F (1994) | 1.20 in (1907) |
| January 20 | 64.9°F (1906) | -23.1°F (1985) | 1.45 in (1904) |
| January 21 | 63.0°F (1906) | -20.0°F (1985) | 1.64 in (1916) |
| January 22 | 61.0°F (2017) | -18.0°F (1930) | 1.17 in (1906) |
| January 23 | 69.1°F (1909) | -18.9°F (1936) | 1.89 in (1965) |
| January 24 | 68.0°F (1967) | -15.0°F (1915) | 1.08 in (1950) |
| January 25 | 68.0°F (1950) | -9.9°F (1940) | 0.74 in (1990) |
| January 26 | 57.9°F (1944) | -9.9°F (1915) | 0.54 in (1941) |
| January 27 | 63.0°F (1944) | -11.9°F (1904) | 1.74 in (1967) |
| January 28 | 62.1°F (1914) | -22.0°F (1963) | 0.50 in (1909) |
| January 29 | 62.1°F (2002) | -15.0°F (1966) | 1.02 in (1909) |
| January 30 | 66.0°F (2013) | -15.0°F (1966) | 1.84 in (2013) |
| January 31 | 55.9°F (1988) | -13.0°F (1963) | 1.10 in (2002) |