December weather in Festus, MO
The average temperature in Festus in December is 35.8°F (26.5°F–45.1°F). Average precipitation: 2.80 inches. Average snowfall is 2.5 inches.
December is a winter month in Festus, and is cooler than the annual average of 55.7°F. Daily temperatures swing about 18.6°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 9h 21m. For travel, December is cool.
Avg High
45.1°F
Avg Low
26.5°F
Precipitation
2.80 in
Snow
2.5 in
December records in Festus
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 77.0°F (1970) | 9.0°F (1965) | 0.78 in (2023) |
| December 2 | 75.0°F (1982) | 10.0°F (1979) | 1.83 in (1967) |
| December 3 | 78.1°F (1970) | 9.0°F (1979) | 3.23 in (1982) |
| December 4 | 79.0°F (2021) | 10.0°F (1974) | 1.16 in (1973) |
| December 5 | 73.0°F (1979) | 10.9°F (1991) | 0.70 in (1982) |
| December 6 | 71.1°F (1998) | 10.0°F (1972) | 1.75 in (2014) |
| December 7 | 73.0°F (1966) | 8.1°F (1968) | 1.10 in (1978) |
| December 8 | 71.1°F (1965) | 10.0°F (1995) | 0.52 in (1972) |
| December 9 | 70.0°F (1991) | 1.0°F (1995) | 0.60 in (2009) |
| December 10 | 69.1°F (2020) | 1.9°F (1995) | 3.70 in (1971) |
| December 11 | 71.1°F (1979) | -5.1°F (1962) | 1.05 in (1972) |
| December 12 | 72.0°F (1980) | -11.9°F (1962) | 0.77 in (2001) |
| December 13 | 72.0°F (2015) | -11.0°F (1962) | 0.86 in (2001) |
| December 14 | 70.0°F (1975) | -6.0°F (1962) | 1.94 in (1971) |
| December 15 | 69.1°F (2021) | 1.0°F (1989) | 1.90 in (1992) |
| December 16 | 68.0°F (2021) | 1.0°F (2000) | 1.98 in (2001) |
| December 17 | 69.1°F (1962) | -9.9°F (1989) | 1.26 in (1995) |
| December 18 | 64.0°F (1997) | -0.9°F (1964) | 0.55 in (1995) |
| December 19 | 64.9°F (1997) | 0.0°F (1989) | 1.73 in (1973) |
| December 20 | 69.1°F (1978) | -7.1°F (1989) | 0.70 in (2012) |
| December 21 | 72.0°F (2013) | -17.0°F (1973) | 2.70 in (1967) |
| December 22 | 70.0°F (1965) | -17.0°F (1989) | 1.06 in (1991) |
| December 23 | 71.1°F (1982) | -18.9°F (1989) | 1.09 in (1996) |
| December 24 | 66.9°F (2023) | -18.9°F (1989) | 2.85 in (1982) |
| December 25 | 70.0°F (2021) | -18.0°F (1989) | 0.38 in (1969) |
| December 26 | 71.1°F (2019) | 7.0°F (2013) | 1.50 in (2009) |
| December 27 | 73.0°F (1971) | 5.0°F (2017) | 2.04 in (2015) |
| December 28 | 66.9°F (2008) | 0.0°F (1961) | 2.60 in (2015) |
| December 29 | 64.0°F (2004) | 1.9°F (1967) | 1.10 in (2015) |
| December 30 | 71.1°F (1965) | 1.9°F (1961) | 1.91 in (1990) |
| December 31 | 70.0°F (2004) | -8.0°F (1976) | 1.18 in (1965) |