January weather in South Barrington, IL
The average temperature in South Barrington in January is 21.1°F (13.4°F–28.7°F). Average precipitation: 2.07 inches. Average snowfall is 12.6 inches.
January is a winter month in South Barrington, and is cooler than the annual average of 48°F. Daily temperatures swing about 15.3°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
28.7°F
Avg Low
13.4°F
Precipitation
2.07 in
Snow
12.6 in
January records in South Barrington
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 57.9°F (1966) | -14.1°F (1977) | 1.67 in (1985) |
| January 2 | 51.1°F (2005) | -16.1°F (1979) | 0.57 in (2005) |
| January 3 | 57.0°F (2000) | -17.0°F (1979) | 1.00 in (1999) |
| January 4 | 46.0°F (2007) | -16.1°F (1979) | 1.20 in (1982) |
| January 5 | 48.9°F (2007) | -16.1°F (1979) | 1.12 in (1993) |
| January 6 | 51.1°F (2019) | -18.9°F (2014) | 0.68 in (2005) |
| January 7 | 57.0°F (2008) | -18.9°F (2014) | 0.66 in (1998) |
| January 8 | 62.1°F (2008) | -17.0°F (1979) | 0.38 in (2019) |
| January 9 | 57.0°F (2026) | -15.0°F (2014) | 0.75 in (1998) |
| January 10 | 57.0°F (1975) | -25.1°F (1982) | 1.28 in (1975) |
| January 11 | 53.1°F (2018) | -26.0°F (1979) | 0.89 in (2013) |
| January 12 | 54.0°F (2018) | -20.0°F (1979) | 0.55 in (2024) |
| January 13 | 57.9°F (2005) | -16.1°F (1974) | 1.28 in (1966) |
| January 14 | 48.9°F (2026) | -11.9°F (2024) | 0.75 in (1979) |
| January 15 | 43.0°F (1987) | -20.0°F (1972) | 0.53 in (1965) |
| January 16 | 52.0°F (1990) | -23.1°F (2009) | 0.43 in (1969) |
| January 17 | 51.1°F (1980) | -23.1°F (2009) | 1.38 in (2017) |
| January 18 | 54.0°F (1990) | -18.0°F (1967) | 0.85 in (2020) |
| January 19 | 44.1°F (1964) | -14.1°F (1984) | 4.40 in (2019) |
| January 20 | 52.0°F (2006) | -26.0°F (1985) | 0.73 in (1974) |
| January 21 | 48.9°F (1964) | -20.0°F (1984) | 1.00 in (2006) |
| January 22 | 57.9°F (1964) | -15.0°F (1970) | 1.31 in (1999) |
| January 23 | 57.9°F (1967) | -22.0°F (1963) | 3.00 in (1992) |
| January 24 | 62.1°F (1967) | -16.1°F (1963) | 0.72 in (1999) |
| January 25 | 61.0°F (1967) | -11.0°F (1963) | 1.15 in (1967) |
| January 26 | 46.9°F (1981) | -20.0°F (1982) | 0.86 in (1965) |
| January 27 | 48.9°F (2002) | -18.0°F (2019) | 1.13 in (1974) |
| January 28 | 55.9°F (2002) | -17.0°F (1963) | 0.54 in (2013) |
| January 29 | 55.0°F (2013) | -22.0°F (1966) | 0.71 in (2006) |
| January 30 | 59.0°F (2013) | -26.0°F (2019) | 0.92 in (2013) |
| January 31 | 54.0°F (1988) | -27.9°F (2019) | 1.00 in (2002) |