January weather in Naperville, IL
The average temperature in Naperville in January is 24.8°F (16.8°F–32.8°F). Average precipitation: 2.12 inches. Average snowfall is 9.3 inches.
January is a winter month in Naperville, and is cooler than the annual average of 51.1°F. Daily temperatures swing about 16°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 9h 17m. For travel, January is cold.
Avg High
32.8°F
Avg Low
16.8°F
Precipitation
2.12 in
Snow
9.3 in
January records in Naperville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 53.1°F (2007) | -18.9°F (1968) | 1.44 in (1985) |
| January 2 | 61.0°F (2000) | -16.1°F (1979) | 2.00 in (1897) |
| January 3 | 61.0°F (2004) | -16.1°F (1979) | 1.83 in (1897) |
| January 4 | 64.0°F (1997) | -9.9°F (1942) | 1.07 in (1993) |
| January 5 | 64.0°F (1997) | -18.0°F (1999) | 1.34 in (2007) |
| January 6 | 52.0°F (1946) | -15.0°F (1979) | 0.95 in (1962) |
| January 7 | 52.0°F (1965) | -16.1°F (1942) | 0.36 in (1962) |
| January 8 | 59.0°F (1965) | -15.0°F (1968) | 1.09 in (1937) |
| January 9 | 55.9°F (2002) | -14.1°F (1979) | 0.90 in (1946) |
| January 10 | 59.0°F (1975) | -22.0°F (1982) | 1.59 in (1975) |
| January 11 | 57.0°F (1975) | -25.1°F (1979) | 0.31 in (1975) |
| January 12 | 61.0°F (2005) | -15.0°F (1974) | 2.89 in (1960) |
| January 13 | 62.1°F (2005) | -9.9°F (1974) | 1.83 in (1950) |
| January 14 | 51.1°F (1952) | -11.9°F (1957) | 1.75 in (1995) |
| January 15 | 57.0°F (1952) | -20.9°F (1972) | 0.99 in (1960) |
| January 16 | 53.1°F (1986) | -24.0°F (1972) | 0.75 in (1897) |
| January 17 | 55.9°F (1990) | -18.0°F (1982) | 0.75 in (1941) |
| January 18 | 60.1°F (1996) | -22.0°F (1994) | 0.78 in (1900) |
| January 19 | 55.9°F (2006) | -20.0°F (1994) | 0.84 in (1952) |
| January 20 | 55.9°F (2006) | -26.0°F (1985) | 1.07 in (1974) |
| January 21 | 54.0°F (1986) | -20.0°F (1984) | 1.28 in (1958) |
| January 22 | 55.9°F (2002) | -18.0°F (1970) | 1.62 in (1957) |
| January 23 | 57.0°F (1967) | -20.0°F (1963) | 0.71 in (1999) |
| January 24 | 63.0°F (1967) | -16.1°F (1963) | 2.05 in (1938) |
| January 25 | 63.0°F (1967) | -9.9°F (1987) | 0.68 in (1990) |
| January 26 | 57.9°F (1944) | -11.0°F (1982) | 1.01 in (1967) |
| January 27 | 60.1°F (1944) | -13.0°F (1955) | 0.62 in (1974) |
| January 28 | 60.1°F (2002) | -18.0°F (1963) | 0.61 in (1994) |
| January 29 | 50.0°F (1968) | -18.9°F (1966) | 0.95 in (2006) |
| January 30 | 55.0°F (1988) | -20.9°F (1951) | 1.30 in (1947) |
| January 31 | 64.9°F (1989) | -13.0°F (1996) | 1.05 in (2002) |