December weather in Summit, SC
The average temperature in Summit in December is 47.4°F (37.5°F–57.2°F). Average precipitation: 4.24 inches.
December is a winter month in Summit, and is cooler than the annual average of 63°F. Daily temperatures swing about 19.7°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 9h 45m. For travel, December is cool.
Avg High
57.2°F
Avg Low
37.5°F
Precipitation
4.24 in
Daylight
9h 45m
December records in Summit
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 73.0°F (2015) | 21.9°F (1903) | 1.66 in (1985) |
| December 2 | 72.0°F (1908) | 23.0°F (1910) | 1.30 in (2018) |
| December 3 | 72.0°F (2012) | 21.0°F (1903) | 2.23 in (1905) |
| December 4 | 79.0°F (2021) | 23.0°F (1905) | 1.75 in (1971) |
| December 5 | 79.0°F (1909) | 19.9°F (1907) | 1.25 in (1951) |
| December 6 | 73.9°F (1912) | 23.0°F (1899) | 1.50 in (1983) |
| December 7 | 84.0°F (1909) | 25.0°F (1910) | 1.78 in (1976) |
| December 8 | 73.9°F (1916) | 27.0°F (1910) | 1.90 in (1989) |
| December 9 | 75.9°F (1919) | 18.0°F (1917) | 2.40 in (1919) |
| December 10 | 73.0°F (1918) | 19.9°F (1917) | 1.15 in (2018) |
| December 11 | 75.9°F (2019) | 19.0°F (1917) | 2.01 in (2024) |
| December 12 | 72.0°F (1911) | 17.1°F (1917) | 2.57 in (1976) |
| December 13 | 73.9°F (2015) | 19.9°F (1917) | 1.74 in (1961) |
| December 14 | 73.0°F (2015) | 19.0°F (1917) | 2.67 in (2019) |
| December 15 | 73.9°F (1906) | 19.0°F (1917) | 2.70 in (1981) |
| December 16 | 88.0°F (1914) | 18.0°F (1914) | 2.95 in (1911) |
| December 17 | 73.9°F (1906) | 18.0°F (1901) | 1.82 in (1970) |
| December 18 | 71.1°F (1906) | 19.0°F (1901) | 2.10 in (2023) |
| December 19 | 79.0°F (2016) | 21.0°F (1901) | 2.05 in (2009) |
| December 20 | 73.0°F (2017) | 24.1°F (1904) | 1.15 in (1974) |
| December 21 | 69.1°F (1921) | 18.0°F (1901) | 1.98 in (1905) |
| December 22 | 77.0°F (2013) | 21.9°F (1910) | 2.60 in (2015) |
| December 23 | 75.0°F (2013) | 21.0°F (1906) | 3.45 in (1994) |
| December 24 | 75.0°F (2013) | 9.0°F (2022) | 2.30 in (1899) |
| December 25 | 73.9°F (2021) | 9.0°F (2022) | 2.20 in (2014) |
| December 26 | 75.0°F (1904) | 9.0°F (2022) | 3.35 in (1964) |
| December 27 | 78.1°F (1896) | 10.9°F (1902) | 2.80 in (1992) |
| December 28 | 75.0°F (1904) | 19.0°F (1902) | 1.21 in (1904) |
| December 29 | 75.0°F (2015) | 19.0°F (1917) | 2.00 in (1901) |
| December 30 | 73.0°F (2021) | 6.1°F (1917) | 1.36 in (1948) |
| December 31 | 73.9°F (1898) | 10.0°F (1909) | 1.75 in (1952) |