December weather in Exeter, MO
The average temperature in Exeter in December is 36.7°F (26.5°F–46.9°F). Average precipitation: 3.09 inches.
December is a winter month in Exeter, and is cooler than the annual average of 55.8°F. Daily temperatures swing about 20.4°F between overnight low and afternoon high. Daylight averages about 9h 30m. For travel, December is cool.
Avg High
46.9°F
Avg Low
26.5°F
Precipitation
3.09 in
Daylight
9h 30m
December records in Exeter
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 78.1°F (1970) | 9.0°F (1965) | 3.81 in (2006) |
| December 2 | 73.9°F (2012) | 6.1°F (1985) | 0.95 in (1914) |
| December 3 | 75.0°F (2021) | 7.0°F (1985) | 4.78 in (1982) |
| December 4 | 73.0°F (2021) | 10.0°F (1974) | 2.35 in (1973) |
| December 5 | 71.1°F (1918) | 12.0°F (1986) | 1.03 in (1913) |
| December 6 | 72.0°F (2001) | 6.1°F (1984) | 1.89 in (1960) |
| December 7 | 73.0°F (1998) | 3.0°F (1976) | 0.88 in (1956) |
| December 8 | 75.0°F (1966) | 10.0°F (2017) | 1.79 in (1980) |
| December 9 | 75.0°F (1991) | 5.0°F (1977) | 1.03 in (1992) |
| December 10 | 71.1°F (2020) | 6.1°F (1977) | 2.69 in (1971) |
| December 11 | 73.0°F (2020) | 7.0°F (1962) | 1.55 in (1960) |
| December 12 | 69.1°F (1979) | -4.0°F (1962) | 1.01 in (1965) |
| December 13 | 69.1°F (1980) | 3.0°F (1962) | 1.84 in (1984) |
| December 14 | 66.9°F (1975) | -9.9°F (1985) | 1.50 in (2000) |
| December 15 | 70.0°F (1975) | -7.1°F (1914) | 1.65 in (1992) |
| December 16 | 72.0°F (2021) | -7.1°F (1989) | 1.34 in (2024) |
| December 17 | 70.0°F (2006) | -0.9°F (1979) | 3.35 in (2001) |
| December 18 | 69.1°F (1962) | -2.9°F (1964) | 2.03 in (2021) |
| December 19 | 72.0°F (1962) | -2.0°F (1964) | 1.60 in (1995) |
| December 20 | 75.0°F (1978) | 1.0°F (1983) | 1.93 in (1987) |
| December 21 | 68.0°F (1967) | -2.9°F (1973) | 2.69 in (1984) |
| December 22 | 69.1°F (2017) | -25.1°F (1916) | 0.83 in (1913) |
| December 23 | 68.0°F (1982) | -15.0°F (1989) | 2.01 in (1991) |
| December 24 | 72.0°F (2025) | -14.1°F (1966) | 1.62 in (1982) |
| December 25 | 73.0°F (2025) | -9.9°F (1983) | 1.00 in (1987) |
| December 26 | 75.0°F (2025) | -8.0°F (1983) | 2.00 in (1987) |
| December 27 | 75.9°F (2025) | -2.9°F (1983) | 2.18 in (2018) |
| December 28 | 80.1°F (2025) | -0.9°F (1983) | 2.48 in (1954) |
| December 29 | 71.1°F (2025) | -7.1°F (1983) | 2.00 in (1984) |
| December 30 | 70.0°F (2005) | -14.1°F (1983) | 0.68 in (1971) |
| December 31 | 70.0°F (1965) | -9.9°F (1983) | 1.88 in (1974) |