December weather in Williamstown, KY
The average temperature in Williamstown in December is 37.4°F (29.2°F–45.5°F). Average precipitation: 3.51 inches. Average snowfall is 2.8 inches.
December is a winter month in Williamstown, and is cooler than the annual average of 56.4°F. Daily temperatures swing about 16.3°F between overnight low and afternoon high. Expect about 14 days with precipitation. Daylight averages about 9h 19m. For travel, December is cool.
Avg High
45.5°F
Avg Low
29.2°F
Precipitation
3.51 in
Snow
2.8 in
December records in Williamstown
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 68.0°F (1970) | 0.0°F (1958) | 0.80 in (1981) |
| December 2 | 73.0°F (1982) | 10.0°F (1930) | 1.60 in (1905) |
| December 3 | 73.9°F (1982) | -2.9°F (1929) | 1.55 in (1978) |
| December 4 | 73.0°F (1998) | 10.0°F (1929) | 1.02 in (1964) |
| December 5 | 72.0°F (2001) | 10.9°F (1991) | 1.31 in (1977) |
| December 6 | 72.0°F (1998) | 7.0°F (1977) | 1.50 in (1919) |
| December 7 | 70.0°F (1956) | -2.0°F (1977) | 1.85 in (1957) |
| December 8 | 68.0°F (1916) | 7.0°F (1977) | 2.61 in (1978) |
| December 9 | 66.0°F (1946) | -9.0°F (1917) | 1.10 in (1986) |
| December 10 | 69.1°F (1971) | -9.9°F (1917) | 1.31 in (1999) |
| December 11 | 68.0°F (1985) | -9.9°F (1917) | 1.17 in (1964) |
| December 12 | 66.0°F (1931) | -6.0°F (1962) | 1.45 in (1959) |
| December 13 | 66.9°F (1984) | -7.1°F (1962) | 1.35 in (1931) |
| December 14 | 66.9°F (1927) | -4.0°F (1962) | 0.85 in (1991) |
| December 15 | 66.9°F (1971) | -9.0°F (1914) | 2.57 in (1948) |
| December 16 | 68.0°F (1984) | -9.0°F (1989) | 2.08 in (2000) |
| December 17 | 64.9°F (1984) | -6.0°F (1989) | 2.61 in (1915) |
| December 18 | 66.0°F (1967) | 0.0°F (1953) | 2.35 in (1990) |
| December 19 | 64.9°F (1924) | -9.0°F (1963) | 1.03 in (2002) |
| December 20 | 64.9°F (1931) | -9.0°F (1963) | 1.57 in (1984) |
| December 21 | 69.1°F (1967) | -8.0°F (1963) | 0.78 in (1926) |
| December 22 | 68.0°F (1967) | -22.0°F (1989) | 0.91 in (1923) |
| December 23 | 68.0°F (1933) | -13.0°F (1989) | 3.12 in (1921) |
| December 24 | 66.0°F (1932) | -8.0°F (1983) | 2.54 in (1921) |
| December 25 | 69.1°F (1932) | -15.0°F (1983) | 1.19 in (1944) |
| December 26 | 64.9°F (1922) | -2.0°F (1983) | 1.00 in (1930) |
| December 27 | 68.0°F (1942) | -9.0°F (1935) | 1.83 in (1916) |
| December 28 | 68.0°F (1959) | 0.0°F (1924) | 1.24 in (1988) |
| December 29 | 66.0°F (1984) | -2.9°F (1961) | 1.25 in (1954) |
| December 30 | 66.0°F (1984) | -7.1°F (1983) | 1.65 in (1932) |
| December 31 | 69.1°F (1951) | -2.9°F (1909) | 1.20 in (1932) |