December weather in Leland, IL
The average temperature in Leland in December is °F (°F–°F). Average precipitation: 2.12 inches.
December is a winter month in Leland, and is cooler than the annual average of 0°F. Expect about 10 days with precipitation. Daylight averages about 8h 60m.
Avg High
°F
Avg Low
°F
Precipitation
2.12 in
Daylight
8h 60m
December records in Leland
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | — | — | 0.74 in (2015) |
| December 2 | — | — | 1.00 in (2018) |
| December 3 | — | — | 0.38 in (2023) |
| December 4 | — | — | 0.42 in (2011) |
| December 5 | — | — | 0.60 in (2016) |
| December 6 | — | — | 0.22 in (2004) |
| December 7 | — | — | 0.22 in (2025) |
| December 8 | — | — | 0.38 in (2004) |
| December 9 | — | — | 0.47 in (2008) |
| December 10 | — | — | 1.99 in (2003) |
| December 11 | — | — | 0.83 in (2021) |
| December 12 | — | — | 0.87 in (2020) |
| December 13 | — | — | 0.13 in (2015) |
| December 14 | — | — | 1.50 in (2015) |
| December 15 | — | — | 1.20 in (2022) |
| December 16 | — | — | 0.28 in (2012) |
| December 17 | — | — | 0.36 in (2008) |
| December 18 | — | — | 0.10 in (2016) |
| December 19 | — | — | 0.87 in (2008) |
| December 20 | — | — | 0.65 in (2012) |
| December 21 | — | — | 0.79 in (2006) |
| December 22 | — | — | 0.38 in (2009) |
| December 23 | — | — | 0.53 in (2023) |
| December 24 | — | — | 0.78 in (2009) |
| December 25 | — | — | 1.55 in (2009) |
| December 26 | — | — | 0.42 in (2023) |
| December 27 | — | — | 0.42 in (2008) |
| December 28 | — | — | 0.82 in (2008) |
| December 29 | — | — | 1.26 in (2015) |
| December 30 | — | — | 1.05 in (2020) |
| December 31 | — | — | 0.60 in (2010) |