December weather in Elsah, IL
The average temperature in Elsah in December is 35.5°F (27.0°F–44.1°F). Average precipitation: 2.35 inches.
December is a winter month in Elsah, and is cooler than the annual average of 56.1°F. Daily temperatures swing about 17.1°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 9h 17m. For travel, December is cold.
Avg High
44.1°F
Avg Low
27.0°F
Precipitation
2.35 in
Daylight
9h 17m
December records in Elsah
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 69.1°F (2012) | 16.0°F (2002) | 0.80 in (2018) |
| December 2 | 73.0°F (2012) | 14.0°F (2025) | 0.29 in (2007) |
| December 3 | 75.0°F (2012) | 10.9°F (2025) | 0.24 in (2011) |
| December 4 | 71.1°F (2001) | 10.0°F (2025) | 1.17 in (1999) |
| December 5 | 72.0°F (1998) | 8.1°F (2025) | 0.94 in (2014) |
| December 6 | 72.0°F (1998) | 10.0°F (2005) | 0.83 in (2004) |
| December 7 | 66.9°F (2023) | 8.1°F (2005) | 0.59 in (2004) |
| December 8 | 63.0°F (2024) | 7.2°F (2006) | 0.78 in (2009) |
| December 9 | 68.0°F (2021) | 3.9°F (2005) | 0.66 in (2012) |
| December 10 | 66.9°F (2015) | 11.1°F (2009) | 0.42 in (2021) |
| December 11 | 64.0°F (2021) | 10.0°F (2000) | 1.11 in (2020) |
| December 12 | 70.0°F (2015) | 5.2°F (2013) | 0.77 in (2001) |
| December 13 | 64.9°F (2015) | 5.2°F (2010) | 0.99 in (2015) |
| December 14 | 66.0°F (2021) | 4.1°F (2010) | 1.36 in (2024) |
| December 15 | 73.9°F (2021) | 7.0°F (2000) | 0.50 in (2012) |
| December 16 | 71.1°F (2021) | 6.1°F (2000) | 1.13 in (2001) |
| December 17 | 63.0°F (2002) | 1.9°F (2000) | 0.33 in (2001) |
| December 18 | 62.1°F (2002) | 2.1°F (2016) | 2.51 in (2002) |
| December 19 | 61.0°F (1997) | 0.0°F (2000) | 0.84 in (2011) |
| December 20 | 64.9°F (2013) | -2.9°F (2000) | 0.59 in (2012) |
| December 21 | 63.0°F (2015) | 4.1°F (2008) | 0.70 in (2013) |
| December 22 | 60.1°F (2007) | -4.9°F (2022) | 0.70 in (2003) |
| December 23 | 64.9°F (2020) | -5.8°F (2022) | 1.41 in (2009) |
| December 24 | 73.9°F (2021) | 1.9°F (2000) | 0.87 in (2009) |
| December 25 | 64.9°F (2021) | 8.2°F (2022) | 0.35 in (2016) |
| December 26 | 66.0°F (2016) | 5.0°F (2002) | 4.18 in (2015) |
| December 27 | 66.9°F (2008) | 1.2°F (2017) | 1.82 in (2008) |
| December 28 | 77.0°F (2025) | -2.0°F (2000) | 2.43 in (2015) |
| December 29 | 66.9°F (2022) | 12.2°F (2017) | 0.17 in (2024) |
| December 30 | 66.9°F (2002) | 6.1°F (1998) | 0.30 in (2024) |
| December 31 | 69.1°F (2004) | 1.9°F (1998) | 1.67 in (2018) |