January weather in Deerfield, IL
The average temperature in Deerfield in January is 24.3°F (16.3°F–32.3°F). Average precipitation: 2.10 inches. Average snowfall is 11.3 inches.
January is a winter month in Deerfield, and is cooler than the annual average of 49.6°F. Daily temperatures swing about 16°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 9h 15m. For travel, January is cold.
Avg High
32.3°F
Avg Low
16.3°F
Precipitation
2.10 in
Snow
11.3 in
January records in Deerfield
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 55.9°F (2005) | -8.0°F (2018) | 2.14 in (1985) |
| January 2 | 54.0°F (2005) | -8.0°F (2018) | 0.37 in (2005) |
| January 3 | 62.1°F (2000) | -7.1°F (2014) | 0.65 in (1999) |
| January 4 | 57.0°F (1998) | -2.0°F (1999) | 1.23 in (1982) |
| January 5 | 63.0°F (1997) | -16.1°F (1999) | 0.49 in (2007) |
| January 6 | 55.0°F (2019) | -16.1°F (2014) | 0.70 in (2005) |
| January 7 | 61.0°F (2008) | -16.1°F (2014) | 0.32 in (1998) |
| January 8 | 64.9°F (2008) | -11.0°F (2014) | 0.44 in (2008) |
| January 9 | 55.9°F (2008) | -13.0°F (2014) | 0.74 in (1998) |
| January 10 | 55.9°F (2002) | -27.0°F (1982) | 0.58 in (1987) |
| January 11 | 57.0°F (2018) | -25.1°F (1982) | 0.85 in (2013) |
| January 12 | 57.9°F (2018) | -7.1°F (1997) | 0.58 in (1991) |
| January 13 | 60.1°F (2005) | -5.1°F (1997) | 0.93 in (2005) |
| January 14 | 48.0°F (2014) | -9.9°F (1994) | 1.94 in (1995) |
| January 15 | 46.9°F (1996) | -18.9°F (1994) | 0.56 in (2007) |
| January 16 | 54.0°F (1990) | -17.0°F (2009) | 0.48 in (1997) |
| January 17 | 55.0°F (1990) | -18.9°F (1982) | 0.22 in (1990) |
| January 18 | 59.0°F (1996) | -22.0°F (1994) | 0.70 in (1996) |
| January 19 | 60.1°F (1996) | -22.0°F (1994) | 0.42 in (2019) |
| January 20 | 55.0°F (2006) | -26.0°F (1985) | 0.90 in (1995) |
| January 21 | 48.9°F (2017) | -20.0°F (1985) | 0.84 in (2006) |
| January 22 | 60.1°F (2017) | -6.0°F (2014) | 0.66 in (2005) |
| January 23 | 55.9°F (2002) | -5.1°F (1987) | 0.60 in (2012) |
| January 24 | 51.1°F (1989) | -7.1°F (2014) | 0.45 in (1999) |
| January 25 | 48.0°F (1990) | -5.1°F (2019) | 0.77 in (1990) |
| January 26 | 52.0°F (2002) | -9.9°F (2019) | 0.34 in (1990) |
| January 27 | 54.0°F (2002) | -7.1°F (2019) | 0.43 in (1994) |
| January 28 | 62.1°F (2002) | -13.0°F (2014) | 1.01 in (1994) |
| January 29 | 62.1°F (2013) | -9.9°F (2014) | 0.74 in (2006) |
| January 30 | 63.0°F (2013) | -20.9°F (2019) | 1.59 in (2013) |
| January 31 | 55.9°F (1988) | -23.1°F (2019) | 1.22 in (2002) |