January weather in Lerna, IL
The average temperature in Lerna in January is 27.8°F (20.3°F–35.4°F). Average precipitation: 2.04 inches.
January is a winter month in Lerna, and is cooler than the annual average of 53.4°F. Daily temperatures swing about 15.1°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
35.4°F
Avg Low
20.3°F
Precipitation
2.04 in
Daylight
9h 31m
January records in Lerna
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 57.0°F (2004) | -10.8°F (2018) | 0.58 in (2021) |
| January 2 | 64.9°F (2004) | -7.8°F (2018) | 0.67 in (1999) |
| January 3 | 62.1°F (2004) | -4.9°F (2014) | 1.30 in (2005) |
| January 4 | 60.1°F (1998) | -5.1°F (1999) | 1.99 in (2004) |
| January 5 | 57.9°F (1998) | -13.0°F (1999) | 1.25 in (2005) |
| January 6 | 63.0°F (2008) | -13.9°F (2014) | 0.08 in (2024) |
| January 7 | 66.0°F (2008) | -9.8°F (2014) | 0.15 in (2005) |
| January 8 | 64.0°F (2026) | -4.9°F (2015) | 1.01 in (2008) |
| January 9 | 63.0°F (2026) | -5.8°F (2010) | 0.45 in (2020) |
| January 10 | 57.9°F (2020) | -7.8°F (2010) | 0.73 in (2020) |
| January 11 | 63.0°F (2017) | 8.1°F (1999) | 2.45 in (2020) |
| January 12 | 64.9°F (2005) | 8.2°F (2016) | 1.27 in (2013) |
| January 13 | 62.1°F (2005) | 3.2°F (2011) | 1.39 in (2005) |
| January 14 | 53.1°F (2016) | 0.1°F (2025) | 0.65 in (2007) |
| January 15 | 52.0°F (2000) | -8.9°F (2009) | 0.09 in (2007) |
| January 16 | 60.1°F (2012) | -8.9°F (2009) | 0.42 in (2017) |
| January 17 | 60.1°F (2012) | -2.0°F (2005) | 0.78 in (2012) |
| January 18 | 48.0°F (2020) | -2.9°F (2005) | 0.81 in (2020) |
| January 19 | 59.0°F (2006) | 0.1°F (2024) | 0.57 in (2017) |
| January 20 | 59.0°F (2006) | -3.8°F (2024) | 0.25 in (2006) |
| January 21 | 64.0°F (2017) | -9.8°F (2011) | 0.58 in (1999) |
| January 22 | 59.0°F (2017) | -1.8°F (2014) | 0.83 in (2012) |
| January 23 | 55.9°F (1999) | -3.8°F (2014) | 0.74 in (2019) |
| January 24 | 50.0°F (2010) | -2.9°F (2000) | 0.52 in (2024) |
| January 25 | 52.0°F (2005) | -0.8°F (2008) | 0.54 in (2012) |
| January 26 | 55.9°F (2002) | -8.0°F (2026) | 0.47 in (2012) |
| January 27 | 64.9°F (1999) | -5.1°F (2003) | 0.50 in (2024) |
| January 28 | 63.0°F (2002) | -2.7°F (2014) | 0.30 in (2001) |
| January 29 | 62.1°F (2013) | -2.7°F (2022) | 1.74 in (2013) |
| January 30 | 57.0°F (2016) | -11.7°F (2019) | 0.78 in (2021) |
| January 31 | 62.1°F (2016) | -11.0°F (2004) | 1.14 in (2002) |