December weather in Williamston, SC
The average temperature in Williamston in December is 44.0°F (33.0°F–55.0°F). Average precipitation: 4.90 inches. Average snowfall is 0.2 inches.
December is a winter month in Williamston, and is cooler than the annual average of 60.6°F. Daily temperatures swing about 22°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 9h 41m. For travel, December is cool.
Avg High
55.0°F
Avg Low
33.0°F
Precipitation
4.90 in
Snow
0.2 in
December records in Williamston
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 73.0°F (1991) | 15.1°F (1979) | 1.45 in (1996) |
| December 2 | 75.0°F (1991) | 21.0°F (1965) | 1.15 in (1981) |
| December 3 | 75.9°F (1991) | 15.1°F (1979) | 3.97 in (2009) |
| December 4 | 73.9°F (1973) | 19.0°F (1979) | 2.46 in (1983) |
| December 5 | 73.9°F (1977) | 18.0°F (1969) | 1.97 in (1978) |
| December 6 | 77.0°F (1998) | 19.9°F (1974) | 2.45 in (1983) |
| December 7 | 73.0°F (1980) | 15.1°F (1977) | 1.92 in (1976) |
| December 8 | 73.0°F (1994) | 14.0°F (2010) | 1.89 in (1989) |
| December 9 | 75.0°F (2001) | 15.1°F (2006) | 1.47 in (2009) |
| December 10 | 77.0°F (2007) | 15.1°F (1981) | 2.31 in (2002) |
| December 11 | 77.0°F (2007) | 12.9°F (1981) | 1.19 in (1967) |
| December 12 | 75.9°F (2007) | 17.1°F (1968) | 1.95 in (1983) |
| December 13 | 73.0°F (1984) | 16.0°F (1982) | 1.28 in (1989) |
| December 14 | 73.9°F (1984) | 9.0°F (2010) | 1.21 in (2019) |
| December 15 | 73.0°F (1984) | 9.0°F (2010) | 3.52 in (1972) |
| December 16 | 73.9°F (1971) | 16.0°F (1989) | 1.04 in (1974) |
| December 17 | 73.9°F (2006) | 12.9°F (1972) | 2.39 in (1992) |
| December 18 | 79.0°F (1984) | 12.0°F (1988) | 0.66 in (2001) |
| December 19 | 75.9°F (1984) | 10.0°F (1975) | 1.76 in (2009) |
| December 20 | 72.0°F (1978) | 7.0°F (1981) | 1.50 in (2000) |
| December 21 | 69.1°F (1971) | 12.0°F (1981) | 2.00 in (2018) |
| December 22 | 69.1°F (1970) | 10.0°F (1976) | 1.12 in (1972) |
| December 23 | 69.1°F (1970) | 10.0°F (1989) | 2.48 in (2013) |
| December 24 | 69.1°F (2006) | 7.0°F (1989) | 2.23 in (2015) |
| December 25 | 71.1°F (1982) | 1.0°F (1983) | 1.50 in (1997) |
| December 26 | 72.0°F (1971) | 1.0°F (1983) | 1.83 in (2012) |
| December 27 | 73.9°F (1971) | 17.1°F (1977) | 1.17 in (2011) |
| December 28 | 73.9°F (1971) | 16.0°F (1977) | 1.65 in (1987) |
| December 29 | 75.9°F (1984) | 14.0°F (1977) | 1.78 in (1966) |
| December 30 | 78.1°F (1984) | 15.1°F (1983) | 1.02 in (2007) |
| December 31 | 71.1°F (1984) | 9.0°F (1983) | 2.02 in (2002) |