December weather in Westminster, SC
The average temperature in Westminster in December is 42.9°F (31.8°F–53.9°F). Average precipitation: 5.80 inches. Average snowfall is 0.5 inches.
December is a winter month in Westminster, and is cooler than the annual average of 59.2°F. Daily temperatures swing about 22.1°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 9h 41m. For travel, December is a wet month.
Avg High
53.9°F
Avg Low
31.8°F
Precipitation
5.80 in
Snow
0.5 in
December records in Westminster
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 77.0°F (1941) | 10.9°F (1964) | 3.25 in (1996) |
| December 2 | 73.9°F (1970) | 14.0°F (1924) | 2.07 in (2018) |
| December 3 | 75.0°F (1998) | 12.0°F (1944) | 2.64 in (1931) |
| December 4 | 77.0°F (2021) | 15.1°F (1944) | 2.50 in (1945) |
| December 5 | 75.0°F (1994) | 15.1°F (1969) | 3.30 in (2002) |
| December 6 | 77.0°F (1998) | 17.1°F (1937) | 1.97 in (1983) |
| December 7 | 75.9°F (1939) | 5.0°F (1937) | 1.81 in (1976) |
| December 8 | 75.9°F (1998) | 14.0°F (2006) | 1.98 in (1924) |
| December 9 | 75.9°F (1943) | 12.0°F (2006) | 5.00 in (1919) |
| December 10 | 73.9°F (1929) | 14.0°F (1927) | 2.80 in (2004) |
| December 11 | 77.0°F (2007) | 10.0°F (1937) | 2.83 in (2024) |
| December 12 | 75.9°F (1931) | 1.9°F (1962) | 3.95 in (1961) |
| December 13 | 78.1°F (2007) | -2.9°F (1962) | 1.86 in (1926) |
| December 14 | 78.1°F (1984) | 10.0°F (1898) | 3.30 in (1918) |
| December 15 | 73.9°F (1929) | 12.0°F (1944) | 3.33 in (1927) |
| December 16 | 75.0°F (1929) | 9.0°F (1901) | 2.85 in (1918) |
| December 17 | 79.0°F (1924) | 10.0°F (1943) | 3.42 in (1922) |
| December 18 | 79.0°F (1984) | 9.0°F (1953) | 2.89 in (1961) |
| December 19 | 80.1°F (2006) | 8.1°F (1963) | 2.33 in (1936) |
| December 20 | 80.1°F (1931) | 7.0°F (1981) | 2.05 in (1951) |
| December 21 | 70.0°F (1929) | 10.0°F (1935) | 2.81 in (1918) |
| December 22 | 75.0°F (1918) | 6.1°F (1960) | 2.50 in (1918) |
| December 23 | 73.0°F (1931) | 9.0°F (1989) | 2.66 in (2013) |
| December 24 | 72.0°F (2006) | 1.9°F (1989) | 2.34 in (2015) |
| December 25 | 81.0°F (1955) | 1.9°F (1983) | 2.62 in (1945) |
| December 26 | 75.9°F (2025) | 3.9°F (1983) | 3.28 in (2023) |
| December 27 | 75.9°F (1971) | 7.0°F (1935) | 1.98 in (1942) |
| December 28 | 75.0°F (2025) | 3.0°F (1925) | 2.62 in (1958) |
| December 29 | 73.0°F (1984) | 8.1°F (1925) | 3.71 in (1901) |
| December 30 | 75.9°F (1984) | 8.1°F (1909) | 1.12 in (1973) |
| December 31 | 73.9°F (1996) | 6.1°F (1983) | 2.90 in (1906) |