December weather in Williams, SC
The average temperature in Williams in December is 49.5°F (37.9°F–61.1°F). Average precipitation: 3.65 inches.
December is a winter month in Williams, and is cooler than the annual average of 64.1°F. Daily temperatures swing about 23.2°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 9h 50m. For travel, December is cool.
Avg High
61.1°F
Avg Low
37.9°F
Precipitation
3.65 in
Daylight
9h 50m
December records in Williams
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 82.9°F (1908) | 18.0°F (1955) | 1.52 in (1918) |
| December 2 | 81.0°F (2014) | 19.9°F (1964) | 1.52 in (1981) |
| December 3 | 80.1°F (1946) | 16.0°F (1960) | 1.64 in (1971) |
| December 4 | 80.1°F (1978) | 18.0°F (1960) | 1.71 in (1953) |
| December 5 | 79.0°F (1982) | 19.0°F (1969) | 1.34 in (1977) |
| December 6 | 79.0°F (2001) | 19.9°F (1907) | 3.78 in (2016) |
| December 7 | 82.0°F (1978) | 14.0°F (1937) | 3.00 in (1979) |
| December 8 | 82.9°F (1978) | 10.9°F (1954) | 1.80 in (1989) |
| December 9 | 82.0°F (1951) | 19.0°F (1968) | 1.58 in (1973) |
| December 10 | 82.0°F (1943) | 21.0°F (1981) | 1.34 in (1969) |
| December 11 | 81.0°F (1911) | 16.0°F (1917) | 2.40 in (1947) |
| December 12 | 82.0°F (1946) | 16.0°F (1957) | 1.67 in (1982) |
| December 13 | 82.0°F (1956) | 5.0°F (1962) | 1.30 in (1985) |
| December 14 | 80.1°F (2007) | 14.0°F (1960) | 2.62 in (1907) |
| December 15 | 78.1°F (1918) | 12.9°F (1962) | 1.38 in (1943) |
| December 16 | 80.1°F (1956) | 14.0°F (1943) | 1.78 in (1970) |
| December 17 | 81.0°F (1906) | 15.1°F (1955) | 2.00 in (2009) |
| December 18 | 80.1°F (1967) | 10.9°F (1953) | 2.10 in (1999) |
| December 19 | 80.1°F (1984) | 14.0°F (1963) | 1.15 in (1909) |
| December 20 | 81.0°F (1984) | 12.9°F (1981) | 2.80 in (1964) |
| December 21 | 77.0°F (1984) | 10.9°F (1954) | 2.50 in (1947) |
| December 22 | 80.1°F (2011) | 17.1°F (1973) | 2.43 in (1941) |
| December 23 | 80.1°F (2013) | 15.1°F (1989) | 2.18 in (2019) |
| December 24 | 75.9°F (1984) | 15.1°F (1989) | 2.50 in (1978) |
| December 25 | 80.1°F (1984) | 8.1°F (1983) | 1.40 in (1943) |
| December 26 | 79.0°F (1942) | 6.1°F (1983) | 2.80 in (1941) |
| December 27 | 79.0°F (1949) | 18.0°F (2022) | 0.65 in (2023) |
| December 28 | 81.0°F (1946) | 21.0°F (1951) | 1.43 in (1967) |
| December 29 | 80.1°F (1946) | 10.0°F (1917) | 2.00 in (1945) |
| December 30 | 82.0°F (1984) | 10.0°F (1917) | 2.68 in (1950) |
| December 31 | 84.9°F (1984) | 17.1°F (1909) | 2.00 in (1981) |