December weather in Summersville, MO
The average temperature in Summersville in December is 36.5°F (27.3°F–45.8°F). Average precipitation: inches.
December is a winter month in Summersville, and is cooler than the annual average of 56°F. Daily temperatures swing about 18.5°F between overnight low and afternoon high. Daylight averages about 9h 27m. For travel, December is cool.
Avg High
45.8°F
Avg Low
27.3°F
Precipitation
in
Daylight
9h 27m
December records in Summersville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 73.9°F (1970) | 14.0°F (1975) | 2.85 in (2006) |
| December 2 | 70.0°F (1970) | 8.1°F (1985) | 1.03 in (1993) |
| December 3 | 77.0°F (2021) | 10.0°F (1989) | 3.25 in (1982) |
| December 4 | 75.9°F (2021) | 12.9°F (1991) | 2.00 in (1982) |
| December 5 | 73.9°F (1998) | 12.0°F (2009) | 1.93 in (1977) |
| December 6 | 69.1°F (1998) | 7.0°F (1972) | 1.76 in (2021) |
| December 7 | 71.1°F (1966) | 3.9°F (1976) | 1.87 in (1987) |
| December 8 | 71.1°F (1991) | 5.0°F (2006) | 1.90 in (1994) |
| December 9 | 68.0°F (1970) | 0.0°F (1995) | 1.52 in (1999) |
| December 10 | 72.0°F (2020) | 1.9°F (1995) | 2.89 in (1971) |
| December 11 | 73.0°F (2020) | 8.1°F (2009) | 1.42 in (1960) |
| December 12 | 69.1°F (2015) | 3.9°F (1989) | 1.19 in (1946) |
| December 13 | 64.9°F (1969) | 3.9°F (2010) | 1.72 in (2015) |
| December 14 | 64.9°F (1975) | 3.0°F (1963) | 1.30 in (2022) |
| December 15 | 66.9°F (1995) | 3.9°F (1963) | 1.65 in (1948) |
| December 16 | 68.0°F (2021) | 5.0°F (1979) | 1.42 in (2001) |
| December 17 | 69.1°F (1976) | 0.0°F (2000) | 2.46 in (1957) |
| December 18 | 69.1°F (1976) | -9.9°F (1983) | 4.00 in (2021) |
| December 19 | 70.0°F (1978) | -2.0°F (1983) | 0.96 in (1995) |
| December 20 | 64.9°F (1978) | -6.0°F (1983) | 1.47 in (2013) |
| December 21 | 68.0°F (2015) | -2.9°F (1983) | 2.30 in (1967) |
| December 22 | 66.0°F (1982) | -2.0°F (1983) | 1.10 in (2003) |
| December 23 | 66.9°F (1996) | -8.0°F (2022) | 1.50 in (1941) |
| December 24 | 71.1°F (2025) | -8.0°F (2022) | 2.65 in (1982) |
| December 25 | 75.9°F (2025) | -0.9°F (1980) | 1.58 in (1982) |
| December 26 | 73.9°F (2021) | 8.1°F (2022) | 2.70 in (2015) |
| December 27 | 79.0°F (2025) | 7.0°F (2017) | 3.26 in (1942) |
| December 28 | 71.1°F (2025) | -4.0°F (1983) | 1.77 in (1968) |
| December 29 | 78.1°F (2025) | -5.1°F (1983) | 1.09 in (1962) |
| December 30 | 69.1°F (1965) | -9.9°F (1983) | 1.62 in (1972) |
| December 31 | 66.0°F (1965) | -9.9°F (1976) | 1.22 in (2018) |