December weather in Leland Grove, IL
The average temperature in Leland Grove in December is 32.5°F (23.8°F–41.3°F). Average precipitation: 2.29 inches.
December is a winter month in Leland Grove, and is cooler than the annual average of 52.9°F. Daily temperatures swing about 17.5°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 9h 12m. For travel, December is cold.
Avg High
41.3°F
Avg Low
23.8°F
Precipitation
2.29 in
Daylight
9h 12m
December records in Leland Grove
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 66.0°F (2014) | 19.9°F (2006) | 1.95 in (2006) |
| December 2 | 64.0°F (2012) | 12.0°F (2006) | 0.90 in (2018) |
| December 3 | 70.0°F (2012) | 10.0°F (2006) | 0.50 in (2007) |
| December 4 | 70.0°F (2012) | 6.1°F (2006) | 0.73 in (2012) |
| December 5 | 59.0°F (2013) | 9.0°F (2005) | 0.43 in (2016) |
| December 6 | 51.1°F (2004) | 9.0°F (2005) | 0.80 in (2014) |
| December 7 | 57.0°F (2004) | 1.0°F (2005) | 0.54 in (2004) |
| December 8 | 51.1°F (2004) | 1.0°F (2005) | 0.25 in (2004) |
| December 9 | 55.9°F (2015) | 3.9°F (2005) | 0.68 in (2009) |
| December 10 | 57.0°F (2004) | 3.0°F (2005) | 0.40 in (2007) |
| December 11 | 62.1°F (2015) | 7.0°F (2009) | 0.65 in (2021) |
| December 12 | 57.0°F (2015) | 1.9°F (2013) | 0.52 in (2020) |
| December 13 | 69.1°F (2015) | 3.9°F (2010) | 0.16 in (2009) |
| December 14 | 64.9°F (2015) | -0.9°F (2010) | 0.81 in (2022) |
| December 15 | 59.0°F (2006) | -0.9°F (2010) | 1.32 in (2022) |
| December 16 | 53.1°F (2012) | 6.1°F (2016) | 0.56 in (2007) |
| December 17 | 60.1°F (2006) | 10.0°F (2009) | 0.12 in (2008) |
| December 18 | 54.0°F (2006) | 1.9°F (2016) | 0.33 in (2021) |
| December 19 | 53.1°F (2012) | -4.0°F (2016) | 0.58 in (2008) |
| December 20 | 52.0°F (2011) | -2.9°F (2016) | 1.05 in (2011) |
| December 21 | 62.1°F (2013) | 1.0°F (2008) | 0.89 in (2006) |
| December 22 | 62.1°F (2015) | -0.9°F (2008) | 0.48 in (2013) |
| December 23 | 57.9°F (2015) | 1.0°F (2008) | 0.76 in (2003) |
| December 24 | 59.0°F (2015) | 1.0°F (2004) | 1.48 in (2009) |
| December 25 | 48.9°F (2006) | 0.0°F (2004) | 1.29 in (2009) |
| December 26 | 61.0°F (2016) | 10.0°F (2008) | 0.27 in (2016) |
| December 27 | 63.0°F (2008) | 14.0°F (2004) | 2.62 in (2015) |
| December 28 | 64.0°F (2008) | 14.0°F (2004) | 1.61 in (2008) |
| December 29 | 55.9°F (2013) | 10.9°F (2009) | 1.33 in (2019) |
| December 30 | 59.0°F (2006) | 1.9°F (2013) | 0.30 in (2020) |
| December 31 | 59.0°F (2004) | 1.9°F (2013) | 1.13 in (2018) |