December weather in Ritchey, MO
The average temperature in Ritchey in December is 37.6°F (26.2°F–49.0°F). Average precipitation: 2.51 inches.
December is a winter month in Ritchey, and is cooler than the annual average of 56.9°F. Daily temperatures swing about 22.8°F between overnight low and afternoon high. Expect about 5 days with precipitation. Daylight averages about 9h 29m. For travel, December is cool.
Avg High
49.0°F
Avg Low
26.2°F
Precipitation
2.51 in
Daylight
9h 29m
December records in Ritchey
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 71.1°F (2014) | 15.1°F (2005) | 1.60 in (1985) |
| December 2 | 72.0°F (2012) | 17.1°F (2005) | 0.83 in (1993) |
| December 3 | 78.1°F (2021) | 12.0°F (2000) | 1.47 in (1999) |
| December 4 | 77.0°F (2021) | 16.0°F (2007) | 3.30 in (2006) |
| December 5 | 72.0°F (2017) | 8.1°F (2002) | 2.16 in (1999) |
| December 6 | 75.0°F (1998) | 14.0°F (2024) | 1.32 in (1974) |
| December 7 | 70.0°F (1998) | 7.0°F (2013) | 0.43 in (1978) |
| December 8 | 66.9°F (2001) | 1.9°F (2006) | 1.42 in (1980) |
| December 9 | 69.1°F (2015) | 1.0°F (1995) | 1.09 in (1992) |
| December 10 | 70.0°F (2020) | -4.0°F (1995) | 1.49 in (2022) |
| December 11 | 77.0°F (2020) | 3.9°F (2013) | 1.89 in (1999) |
| December 12 | 73.0°F (2015) | 8.1°F (2013) | 3.05 in (2007) |
| December 13 | 72.0°F (2015) | 8.1°F (2013) | 2.25 in (2015) |
| December 14 | 69.1°F (2021) | 12.0°F (2010) | 3.53 in (1992) |
| December 15 | 68.0°F (2008) | 12.0°F (2004) | 1.20 in (1992) |
| December 16 | 75.9°F (2021) | 1.9°F (2000) | 0.88 in (1992) |
| December 17 | 68.0°F (2002) | 0.0°F (2000) | 1.66 in (2001) |
| December 18 | 70.0°F (2006) | 1.9°F (2016) | 1.38 in (1990) |
| December 19 | 64.9°F (2013) | 1.9°F (2016) | 1.83 in (2003) |
| December 20 | 66.9°F (1997) | 1.9°F (2000) | 1.40 in (1987) |
| December 21 | 66.0°F (2007) | 1.0°F (2000) | 1.10 in (1984) |
| December 22 | 70.0°F (2017) | 3.9°F (2008) | 1.76 in (2003) |
| December 23 | 68.0°F (2015) | -2.0°F (2022) | 1.76 in (2003) |
| December 24 | 75.9°F (2025) | 1.0°F (2022) | 0.72 in (2002) |
| December 25 | 78.1°F (2025) | 6.1°F (2022) | 0.65 in (1982) |
| December 26 | 79.0°F (2025) | 3.0°F (2004) | 1.00 in (2015) |
| December 27 | 80.1°F (2025) | 10.9°F (2022) | 5.34 in (2015) |
| December 28 | 81.0°F (2025) | 12.0°F (2022) | 3.05 in (2015) |
| December 29 | 72.0°F (2025) | 14.0°F (2009) | 1.27 in (2019) |
| December 30 | 71.1°F (2022) | 3.0°F (2004) | 1.00 in (1984) |
| December 31 | 66.9°F (2004) | 6.1°F (2000) | 0.75 in (2018) |