December weather in Chillicothe, MO
The average temperature in Chillicothe in December is 30.5°F (21.7°F–39.2°F). Average precipitation: 1.69 inches. Average snowfall is 2.4 inches.
December is a winter month in Chillicothe, and is cooler than the annual average of 52.6°F. Daily temperatures swing about 17.5°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 9h 12m. For travel, December is cold.
Avg High
39.2°F
Avg Low
21.7°F
Precipitation
1.69 in
Snow
2.4 in
December records in Chillicothe
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 69.1°F (1982) | 9.0°F (1985) | 1.32 in (1981) |
| December 2 | 64.9°F (2012) | 3.9°F (1985) | 0.85 in (1921) |
| December 3 | 70.0°F (2021) | 5.0°F (1980) | 0.92 in (1938) |
| December 4 | 75.0°F (2012) | 6.1°F (1991) | 1.90 in (1947) |
| December 5 | 72.0°F (2017) | 8.1°F (1991) | 2.00 in (1982) |
| December 6 | 71.1°F (2001) | 3.9°F (1984) | 0.80 in (1943) |
| December 7 | 63.0°F (1981) | 1.9°F (2013) | 1.61 in (1980) |
| December 8 | 64.9°F (2023) | 3.0°F (2005) | 1.65 in (1980) |
| December 9 | 66.0°F (1991) | -8.0°F (2005) | 0.50 in (2009) |
| December 10 | 64.0°F (2020) | -8.0°F (2005) | 2.00 in (2003) |
| December 11 | 68.0°F (2020) | 1.9°F (1995) | 1.09 in (1970) |
| December 12 | 62.1°F (1990) | -6.0°F (1989) | 1.28 in (1946) |
| December 13 | 64.0°F (1991) | -5.1°F (1989) | 0.76 in (2022) |
| December 14 | 61.0°F (2006) | -2.0°F (1989) | 1.43 in (2015) |
| December 15 | 66.9°F (2021) | -14.1°F (1989) | 2.86 in (1971) |
| December 16 | 73.9°F (2021) | -13.0°F (1989) | 0.74 in (1940) |
| December 17 | 66.9°F (2006) | -6.0°F (1989) | 0.39 in (1981) |
| December 18 | 57.0°F (2002) | -9.9°F (2016) | 0.65 in (1929) |
| December 19 | 63.0°F (2002) | -17.0°F (1983) | 0.34 in (1945) |
| December 20 | 57.0°F (1988) | -13.0°F (1989) | 1.73 in (1957) |
| December 21 | 54.0°F (2015) | -11.9°F (1989) | 0.76 in (2006) |
| December 22 | 57.9°F (1982) | -23.1°F (1989) | 0.93 in (1949) |
| December 23 | 60.1°F (1982) | -26.0°F (1989) | 0.85 in (1941) |
| December 24 | 62.1°F (2015) | -24.0°F (1989) | 0.85 in (1932) |
| December 25 | 71.1°F (2021) | -16.1°F (1983) | 1.18 in (2009) |
| December 26 | 64.9°F (2019) | -8.0°F (1983) | 0.34 in (1941) |
| December 27 | 66.0°F (2008) | -6.0°F (2017) | 1.62 in (1942) |
| December 28 | 69.1°F (1984) | -4.0°F (2017) | 1.38 in (1982) |
| December 29 | 55.0°F (2006) | -6.0°F (1983) | 0.99 in (2019) |
| December 30 | 66.9°F (2022) | -9.0°F (1983) | 1.18 in (2020) |
| December 31 | 66.0°F (2010) | -4.0°F (1990) | 1.05 in (1931) |