December weather in Eureka, IL
The average temperature in Eureka in December is °F (°F–°F). Average precipitation: 2.27 inches. Average snowfall is 4.9 inches.
December is a winter month in Eureka, and is cooler than the annual average of 0°F. Expect about 8 days with precipitation. Daylight averages about 9h 6m.
Avg High
°F
Avg Low
°F
Precipitation
2.27 in
Snow
4.9 in
December records in Eureka
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | — | — | 0.67 in (2018) |
| December 2 | — | — | 0.42 in (2018) |
| December 3 | — | — | 0.11 in (2005) |
| December 4 | — | — | 0.42 in (2010) |
| December 5 | — | — | 0.42 in (2016) |
| December 6 | — | — | 0.92 in (2004) |
| December 7 | — | — | 0.23 in (2004) |
| December 8 | — | — | 0.34 in (2005) |
| December 9 | — | — | 0.73 in (2009) |
| December 10 | — | — | 0.21 in (2007) |
| December 11 | — | — | 1.10 in (2007) |
| December 12 | — | — | 0.98 in (2020) |
| December 13 | — | — | 0.13 in (2010) |
| December 14 | — | — | 1.10 in (2015) |
| December 15 | — | — | 1.73 in (2011) |
| December 16 | — | — | 0.25 in (2014) |
| December 17 | — | — | 0.77 in (2002) |
| December 18 | — | — | 0.57 in (2002) |
| December 19 | — | — | 0.79 in (2008) |
| December 20 | — | — | 0.95 in (2006) |
| December 21 | — | — | 0.35 in (2015) |
| December 22 | — | — | 0.47 in (2013) |
| December 23 | — | — | 0.81 in (2009) |
| December 24 | — | — | 3.40 in (2002) |
| December 25 | — | — | 1.35 in (2009) |
| December 26 | — | — | 0.31 in (2016) |
| December 27 | — | — | 1.31 in (2015) |
| December 28 | — | — | 1.98 in (2015) |
| December 29 | — | — | 0.20 in (2015) |
| December 30 | — | — | 1.39 in (2019) |
| December 31 | — | — | 1.51 in (2010) |