January weather in Pleasant Hill, IL
The average temperature in Pleasant Hill in January is 28.1°F (19.7°F–36.5°F). Average precipitation: 2.05 inches. Average snowfall is 4.5 inches.
January is a winter month in Pleasant Hill, and is cooler than the annual average of 54.4°F. Daily temperatures swing about 16.8°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 9h 31m. For travel, January is cold.
Avg High
36.5°F
Avg Low
19.7°F
Precipitation
2.05 in
Snow
4.5 in
January records in Pleasant Hill
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 69.1°F (2005) | -7.1°F (2018) | 0.59 in (2019) |
| January 2 | 59.0°F (2004) | -9.0°F (2018) | 1.40 in (1999) |
| January 3 | 70.0°F (2004) | -6.0°F (2010) | 1.01 in (1950) |
| January 4 | 68.0°F (2023) | -2.0°F (1999) | 2.26 in (1993) |
| January 5 | 68.0°F (1997) | -11.9°F (1999) | 1.47 in (2005) |
| January 6 | 61.0°F (2012) | -13.0°F (1999) | 0.68 in (2005) |
| January 7 | 69.1°F (2008) | -11.0°F (2014) | 0.37 in (1998) |
| January 8 | 73.0°F (2008) | -7.1°F (2014) | 2.85 in (2008) |
| January 9 | 64.9°F (2006) | -2.0°F (1996) | 1.00 in (2026) |
| January 10 | 60.1°F (2020) | -7.1°F (2010) | 0.78 in (2016) |
| January 11 | 64.0°F (2017) | -13.0°F (1997) | 2.45 in (2020) |
| January 12 | 64.9°F (2017) | -8.0°F (2010) | 0.17 in (2020) |
| January 13 | 64.9°F (2005) | -14.1°F (1997) | 1.72 in (2007) |
| January 14 | 57.0°F (2026) | -18.0°F (2024) | 1.63 in (1995) |
| January 15 | 59.0°F (2016) | -20.0°F (2024) | 1.04 in (2007) |
| January 16 | 63.0°F (2000) | -16.1°F (2024) | 0.53 in (2005) |
| January 17 | 66.9°F (2012) | -9.9°F (2024) | 0.28 in (1994) |
| January 18 | 64.0°F (1996) | -9.9°F (1994) | 0.90 in (2020) |
| January 19 | 61.0°F (1996) | -9.9°F (1994) | 0.85 in (1995) |
| January 20 | 64.9°F (2006) | -9.0°F (2024) | 0.34 in (1995) |
| January 21 | 48.0°F (2017) | -11.0°F (2025) | 0.95 in (1993) |
| January 22 | 64.0°F (2017) | -11.9°F (2025) | 1.12 in (2018) |
| January 23 | 57.0°F (2009) | 0.0°F (2014) | 1.20 in (1949) |
| January 24 | 63.0°F (2002) | -7.1°F (2026) | 0.89 in (2010) |
| January 25 | 52.0°F (2015) | -8.0°F (2026) | 0.45 in (2026) |
| January 26 | 62.1°F (2018) | -7.1°F (2026) | 0.60 in (2024) |
| January 27 | 62.1°F (2002) | -13.0°F (2026) | 1.24 in (1949) |
| January 28 | 64.0°F (2002) | -5.1°F (1997) | 0.48 in (1997) |
| January 29 | 69.1°F (2013) | -16.1°F (1997) | 1.04 in (2006) |
| January 30 | 68.0°F (2013) | -8.0°F (2019) | 1.60 in (2013) |
| January 31 | 66.0°F (2012) | -9.0°F (2019) | 2.00 in (2002) |