December weather in Mount Vernon, OH
The average temperature in Mount Vernon in December is 30.2°F (22.1°F–38.3°F). Average precipitation: inches.
December is a winter month in Mount Vernon, and is cooler than the annual average of 48.5°F. Daily temperatures swing about 16.2°F between overnight low and afternoon high. Daylight averages about 9h 8m. For travel, December is cold.
Avg High
38.3°F
Avg Low
22.1°F
Precipitation
in
Daylight
9h 8m
December records in Mount Vernon
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 68.0°F (1962) | -4.0°F (1958) | 0.98 in (1996) |
| December 2 | 68.0°F (1982) | -0.9°F (1966) | 1.45 in (1991) |
| December 3 | 69.1°F (1982) | -11.0°F (1976) | 0.92 in (1967) |
| December 4 | 75.0°F (1982) | -2.0°F (1976) | 1.20 in (1993) |
| December 5 | 70.0°F (2001) | -6.0°F (1974) | 1.61 in (2011) |
| December 6 | 69.1°F (1998) | -4.0°F (2007) | 0.76 in (1977) |
| December 7 | 70.0°F (1956) | -4.0°F (1977) | 1.55 in (1950) |
| December 8 | 63.0°F (1946) | -2.9°F (1977) | 0.57 in (1969) |
| December 9 | 68.0°F (1966) | 0.0°F (1958) | 1.10 in (1956) |
| December 10 | 62.1°F (1952) | -11.9°F (1958) | 1.65 in (2003) |
| December 11 | 69.1°F (1971) | -14.1°F (1958) | 0.90 in (1985) |
| December 12 | 62.1°F (1979) | -9.9°F (1962) | 1.20 in (1946) |
| December 13 | 57.9°F (1972) | -9.0°F (1960) | 0.83 in (1991) |
| December 14 | 61.0°F (1975) | -7.1°F (1960) | 1.67 in (1990) |
| December 15 | 63.0°F (1975) | -6.0°F (1943) | 1.38 in (1971) |
| December 16 | 64.9°F (1971) | -17.0°F (1951) | 1.11 in (1982) |
| December 17 | 63.0°F (1984) | -20.0°F (1951) | 0.94 in (1990) |
| December 18 | 63.0°F (1984) | -9.0°F (1945) | 0.84 in (1957) |
| December 19 | 61.0°F (1967) | -8.0°F (1951) | 1.72 in (2008) |
| December 20 | 55.9°F (1957) | -9.9°F (1963) | 1.20 in (2011) |
| December 21 | 57.9°F (1978) | -17.0°F (1942) | 1.00 in (2006) |
| December 22 | 63.0°F (1967) | -13.0°F (1944) | 0.72 in (1970) |
| December 23 | 55.0°F (1957) | -13.0°F (1945) | 1.91 in (2003) |
| December 24 | 59.0°F (1957) | -20.0°F (2004) | 0.76 in (1979) |
| December 25 | 61.0°F (1964) | -16.1°F (1983) | 0.95 in (1986) |
| December 26 | 63.0°F (1982) | -11.9°F (1983) | 1.80 in (2008) |
| December 27 | 64.0°F (2008) | -23.1°F (1950) | 0.46 in (1982) |
| December 28 | 63.0°F (1959) | -18.9°F (1950) | 1.59 in (1968) |
| December 29 | 64.9°F (1984) | -6.0°F (1961) | 0.75 in (1942) |
| December 30 | 68.0°F (1984) | -9.9°F (1976) | 1.05 in (1971) |
| December 31 | 62.1°F (1951) | -14.1°F (1976) | 0.47 in (1973) |