December weather in Foster, MO
The average temperature in Foster in December is 34.5°F (24.5°F–44.6°F). Average precipitation: 2.10 inches. Average snowfall is 2.4 inches.
December is a winter month in Foster, and is cooler than the annual average of 55.6°F. Daily temperatures swing about 20.1°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 9h 21m. For travel, December is cold.
Avg High
44.6°F
Avg Low
24.5°F
Precipitation
2.10 in
Snow
2.4 in
December records in Foster
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 72.0°F (1950) | 7.0°F (1976) | 1.83 in (2006) |
| December 2 | 72.0°F (1998) | 5.0°F (1985) | 2.67 in (1982) |
| December 3 | 73.9°F (2021) | 7.0°F (2006) | 0.55 in (2003) |
| December 4 | 73.0°F (1998) | 6.1°F (2006) | 2.00 in (1973) |
| December 5 | 73.0°F (2001) | 1.0°F (1964) | 1.31 in (1999) |
| December 6 | 75.0°F (1998) | 3.9°F (1972) | 0.90 in (1942) |
| December 7 | 73.9°F (1966) | 3.0°F (1972) | 1.35 in (1986) |
| December 8 | 73.0°F (1966) | 0.0°F (2006) | 1.30 in (1980) |
| December 9 | 66.9°F (2023) | -8.0°F (2005) | 0.74 in (1999) |
| December 10 | 69.1°F (1970) | -6.0°F (2005) | 2.17 in (2003) |
| December 11 | 70.0°F (1949) | -0.9°F (1995) | 1.45 in (1960) |
| December 12 | 66.9°F (2015) | -2.9°F (1962) | 0.85 in (1972) |
| December 13 | 72.0°F (1948) | -4.0°F (1963) | 0.78 in (1968) |
| December 14 | 66.9°F (1948) | -4.0°F (1963) | 2.02 in (1992) |
| December 15 | 71.1°F (1984) | -11.9°F (1989) | 2.16 in (1971) |
| December 16 | 75.0°F (2021) | -20.9°F (1989) | 0.63 in (1992) |
| December 17 | 69.1°F (2006) | -8.0°F (1989) | 0.31 in (2017) |
| December 18 | 64.9°F (2002) | -5.1°F (2016) | 0.61 in (1957) |
| December 19 | 66.0°F (2001) | -9.9°F (1983) | 1.06 in (1995) |
| December 20 | 68.0°F (1949) | -11.0°F (1983) | 2.01 in (2011) |
| December 21 | 66.0°F (1967) | -7.1°F (1951) | 2.13 in (1949) |
| December 22 | 64.9°F (1946) | -18.9°F (1989) | 0.79 in (1997) |
| December 23 | 69.1°F (1982) | -26.0°F (1989) | 1.28 in (2003) |
| December 24 | 70.0°F (1955) | -14.1°F (1983) | 0.75 in (1982) |
| December 25 | 72.0°F (2021) | -14.1°F (1983) | 1.58 in (2009) |
| December 26 | 75.9°F (2025) | -2.9°F (1983) | 0.84 in (1942) |
| December 27 | 73.0°F (1946) | 3.0°F (1951) | 1.75 in (1942) |
| December 28 | 73.0°F (2025) | 1.9°F (2017) | 0.95 in (1982) |
| December 29 | 70.0°F (1947) | -7.1°F (1983) | 2.05 in (2019) |
| December 30 | 71.1°F (2022) | -15.0°F (1983) | 2.15 in (1984) |
| December 31 | 71.1°F (1951) | -8.0°F (1976) | 0.92 in (1947) |