December weather in Oblong, IL
The average temperature in Oblong in December is 33.5°F (25.3°F–41.7°F). Average precipitation: 3.15 inches.
December is a winter month in Oblong, and is cooler than the annual average of 54.1°F. Daily temperatures swing about 16.4°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 9h 16m. For travel, December is cold.
Avg High
41.7°F
Avg Low
25.3°F
Precipitation
3.15 in
Daylight
9h 16m
December records in Oblong
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 63.0°F (1899) | 10.0°F (2002) | 1.30 in (1905) |
| December 2 | 62.1°F (2012) | 10.9°F (2002) | 0.88 in (1902) |
| December 3 | 64.0°F (2012) | 10.0°F (1895) | 0.78 in (2009) |
| December 4 | 72.0°F (2012) | 12.9°F (1895) | 0.28 in (1906) |
| December 5 | 64.9°F (2001) | 5.0°F (1895) | 0.81 in (1906) |
| December 6 | 69.1°F (2001) | 1.0°F (2002) | 0.62 in (2013) |
| December 7 | 62.1°F (2021) | 1.0°F (2002) | 0.65 in (2004) |
| December 8 | 61.0°F (2004) | -0.9°F (1909) | 1.44 in (1901) |
| December 9 | 66.0°F (1897) | -5.1°F (1909) | 1.13 in (2009) |
| December 10 | 64.9°F (1899) | 6.1°F (1909) | 1.42 in (1897) |
| December 11 | 64.0°F (2020) | 7.0°F (2013) | 1.09 in (1899) |
| December 12 | 66.9°F (2021) | -2.0°F (2013) | 1.80 in (1903) |
| December 13 | 54.0°F (2006) | -4.0°F (1903) | 1.45 in (2020) |
| December 14 | 66.9°F (2015) | -4.0°F (1898) | 2.54 in (1901) |
| December 15 | 63.0°F (1908) | -8.0°F (1901) | 1.26 in (2011) |
| December 16 | 64.0°F (1908) | 0.0°F (1901) | 2.05 in (2018) |
| December 17 | 66.0°F (1908) | 5.0°F (1903) | 1.43 in (1897) |
| December 18 | 64.9°F (1908) | -0.9°F (1901) | 1.25 in (1895) |
| December 19 | 62.1°F (1895) | -2.9°F (1901) | 1.24 in (2002) |
| December 20 | 55.9°F (2008) | -6.0°F (1901) | 0.75 in (1905) |
| December 21 | 61.0°F (2013) | -2.9°F (1901) | 1.80 in (2013) |
| December 22 | 57.9°F (1895) | 1.9°F (2008) | 1.41 in (2013) |
| December 23 | 62.1°F (2015) | -9.0°F (2022) | 1.28 in (1904) |
| December 24 | 64.0°F (2015) | -9.0°F (2022) | 1.12 in (2008) |
| December 25 | 63.0°F (2021) | -8.0°F (2022) | 1.25 in (2009) |
| December 26 | 66.9°F (2021) | -0.9°F (1903) | 2.20 in (1904) |
| December 27 | 66.9°F (2025) | -2.0°F (2017) | 2.02 in (2015) |
| December 28 | 70.0°F (2008) | -2.9°F (2017) | 1.35 in (2015) |
| December 29 | 69.1°F (2025) | 0.0°F (1909) | 1.00 in (2015) |
| December 30 | 60.1°F (1906) | -6.0°F (1909) | 1.11 in (1906) |
| December 31 | 57.9°F (2002) | -5.1°F (1899) | 0.73 in (2006) |