December weather in Clemson, SC
The average temperature in Clemson in December is 45.1°F (34.4°F–55.9°F). Average precipitation: 5.07 inches. Average snowfall is 0.3 inches.
December is a winter month in Clemson, and is cooler than the annual average of 61.5°F. Daily temperatures swing about 21.5°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
55.9°F
Avg Low
34.4°F
Precipitation
5.07 in
Snow
0.3 in
December records in Clemson
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 78.1°F (1933) | 14.0°F (1903) | 1.91 in (1996) |
| December 2 | 73.9°F (1970) | 14.0°F (1924) | 2.40 in (1927) |
| December 3 | 75.0°F (1956) | 15.1°F (1903) | 4.11 in (1905) |
| December 4 | 77.0°F (2021) | 17.1°F (1929) | 2.30 in (1945) |
| December 5 | 73.9°F (1933) | 14.0°F (1896) | 2.52 in (1923) |
| December 6 | 73.9°F (1956) | 18.0°F (1935) | 2.67 in (1983) |
| December 7 | 78.1°F (1998) | 8.1°F (1937) | 3.08 in (1950) |
| December 8 | 77.0°F (1909) | 16.0°F (2010) | 1.51 in (1920) |
| December 9 | 77.0°F (1943) | 14.0°F (1917) | 2.68 in (2009) |
| December 10 | 75.0°F (2007) | 12.9°F (1937) | 2.50 in (1932) |
| December 11 | 79.0°F (2007) | 10.0°F (1937) | 2.88 in (2024) |
| December 12 | 78.1°F (2007) | 6.1°F (1962) | 3.74 in (1961) |
| December 13 | 79.0°F (2007) | 1.9°F (1962) | 2.50 in (1926) |
| December 14 | 79.0°F (1929) | 10.0°F (1917) | 2.06 in (1931) |
| December 15 | 78.1°F (1929) | 10.9°F (1898) | 3.32 in (1972) |
| December 16 | 78.1°F (1929) | 10.0°F (1901) | 2.08 in (1918) |
| December 17 | 78.1°F (1924) | 8.1°F (1943) | 3.80 in (1932) |
| December 18 | 73.9°F (1924) | 7.0°F (1953) | 2.89 in (1915) |
| December 19 | 79.0°F (1931) | 10.0°F (1963) | 2.01 in (1936) |
| December 20 | 81.0°F (1931) | 6.1°F (1981) | 2.12 in (1951) |
| December 21 | 72.0°F (1931) | 9.0°F (1901) | 2.34 in (1951) |
| December 22 | 73.9°F (1931) | 10.0°F (1960) | 3.00 in (1911) |
| December 23 | 71.1°F (1931) | 10.0°F (1989) | 2.49 in (2013) |
| December 24 | 73.9°F (1931) | 6.1°F (2022) | 2.70 in (2015) |
| December 25 | 81.0°F (1955) | 5.0°F (1983) | 3.36 in (1914) |
| December 26 | 77.0°F (2025) | 5.0°F (1983) | 2.60 in (2023) |
| December 27 | 75.9°F (2015) | 8.1°F (1983) | 1.99 in (1939) |
| December 28 | 75.9°F (2025) | 3.9°F (1925) | 3.97 in (1901) |
| December 29 | 72.0°F (1984) | 8.1°F (1925) | 2.92 in (1915) |
| December 30 | 75.0°F (1984) | 5.0°F (1917) | 2.26 in (1907) |
| December 31 | 77.0°F (1984) | 7.0°F (1935) | 2.09 in (1936) |