December weather in Chillicothe, IL
The average temperature in Chillicothe in December is °F (°F–°F). Average precipitation: 2.11 inches. Average snowfall is 5.3 inches.
December is a winter month in Chillicothe, and is cooler than the annual average of 0°F. Expect about 8 days with precipitation. Daylight averages about 9h 4m.
Avg High
°F
Avg Low
°F
Precipitation
2.11 in
Snow
5.3 in
December records in Chillicothe
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 41.0°F (1947) | 21.9°F (1947) | 1.78 in (2006) |
| December 2 | 48.9°F (1947) | 37.0°F (1947) | 0.38 in (1980) |
| December 3 | 52.0°F (1947) | 36.0°F (1947) | 2.77 in (1982) |
| December 4 | 43.0°F (1947) | 35.1°F (1947) | 0.94 in (1947) |
| December 5 | 48.0°F (1947) | 33.1°F (1947) | 2.00 in (1999) |
| December 6 | 37.0°F (1947) | 25.0°F (1947) | 0.40 in (2004) |
| December 7 | 55.9°F (1947) | 39.0°F (1947) | 1.70 in (1994) |
| December 8 | 37.0°F (1947) | 26.1°F (1947) | 1.35 in (1980) |
| December 9 | 30.9°F (1947) | 15.1°F (1947) | 0.84 in (2009) |
| December 10 | 35.1°F (1947) | 27.0°F (1947) | 1.05 in (1971) |
| December 11 | 28.0°F (1947) | 25.0°F (1947) | 1.13 in (1949) |
| December 12 | 28.0°F (1947) | 25.0°F (1947) | 1.46 in (1946) |
| December 13 | 33.1°F (1947) | 26.1°F (1947) | 0.70 in (1973) |
| December 14 | 43.0°F (1947) | 28.0°F (1947) | 0.70 in (1951) |
| December 15 | 39.9°F (1947) | 27.0°F (1947) | 1.30 in (1971) |
| December 16 | 30.9°F (1947) | 14.0°F (1947) | 0.88 in (1992) |
| December 17 | 45.0°F (1947) | 14.0°F (1947) | 0.51 in (1967) |
| December 18 | 46.0°F (1947) | 27.0°F (1947) | 0.70 in (2002) |
| December 19 | 37.9°F (1947) | 26.1°F (1947) | 0.90 in (1973) |
| December 20 | 32.0°F (1947) | 26.1°F (1947) | 1.22 in (1952) |
| December 21 | 43.0°F (1947) | 16.0°F (1947) | 2.55 in (1949) |
| December 22 | 39.9°F (1947) | 21.9°F (1947) | 0.39 in (1953) |
| December 23 | 37.0°F (1947) | 25.0°F (1947) | 0.82 in (1988) |
| December 24 | 30.9°F (1947) | 18.0°F (1947) | 1.23 in (2009) |
| December 25 | 41.0°F (1947) | 17.1°F (1947) | 2.00 in (1965) |
| December 26 | 37.0°F (1947) | 19.0°F (1947) | 0.67 in (1949) |
| December 27 | 48.0°F (1947) | 25.0°F (1947) | 1.70 in (1942) |
| December 28 | 41.0°F (1947) | 23.0°F (1947) | 1.01 in (1968) |
| December 29 | 46.9°F (1947) | 24.1°F (1947) | 1.06 in (1990) |
| December 30 | 50.0°F (1947) | 34.0°F (1947) | 0.51 in (1992) |
| December 31 | 37.0°F (1947) | 30.9°F (1947) | 1.82 in (2000) |