December weather in Rock Hill, SC
The average temperature in Rock Hill in December is 45.4°F (35.2°F–55.6°F). Average precipitation: 3.58 inches.
December is a winter month in Rock Hill, and is cooler than the annual average of 62.1°F. Daily temperatures swing about 20.4°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 9h 40m. For travel, December is cool.
Avg High
55.6°F
Avg Low
35.2°F
Precipitation
3.58 in
Daylight
9h 40m
December records in Rock Hill
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 75.9°F (1991) | 14.0°F (1929) | 1.20 in (1913) |
| December 2 | 75.0°F (1970) | 17.1°F (1924) | 1.70 in (1927) |
| December 3 | 75.9°F (1998) | 17.1°F (1935) | 2.10 in (1927) |
| December 4 | 78.1°F (2021) | 17.1°F (2000) | 4.55 in (1931) |
| December 5 | 75.9°F (1998) | 18.0°F (1907) | 1.84 in (2005) |
| December 6 | 78.1°F (1956) | 21.0°F (1905) | 1.41 in (1953) |
| December 7 | 78.1°F (1998) | 12.0°F (1937) | 1.32 in (1976) |
| December 8 | 78.1°F (1922) | 17.1°F (2010) | 1.60 in (1919) |
| December 9 | 78.1°F (1943) | 17.1°F (1917) | 1.20 in (1905) |
| December 10 | 80.1°F (2007) | 14.0°F (1917) | 1.89 in (1969) |
| December 11 | 79.0°F (2007) | 15.1°F (1917) | 2.27 in (1961) |
| December 12 | 79.0°F (2007) | 9.0°F (1962) | 2.12 in (1961) |
| December 13 | 75.9°F (1927) | 1.9°F (1962) | 1.62 in (1909) |
| December 14 | 75.9°F (1927) | 10.0°F (1962) | 1.90 in (1907) |
| December 15 | 75.0°F (1929) | 15.1°F (1901) | 1.92 in (1972) |
| December 16 | 75.9°F (1971) | 12.0°F (1943) | 1.93 in (1970) |
| December 17 | 73.9°F (1956) | 10.9°F (1943) | 1.50 in (1932) |
| December 18 | 77.0°F (1924) | 10.9°F (1953) | 2.45 in (1959) |
| December 19 | 75.9°F (1984) | 12.9°F (1975) | 1.26 in (2021) |
| December 20 | 81.0°F (1931) | 10.9°F (1901) | 2.10 in (1905) |
| December 21 | 73.0°F (1931) | 10.0°F (1935) | 1.34 in (1900) |
| December 22 | 72.0°F (1926) | 10.0°F (1960) | 2.65 in (1908) |
| December 23 | 73.9°F (1970) | 8.1°F (1989) | 2.55 in (1941) |
| December 24 | 73.0°F (2015) | 8.1°F (2022) | 1.47 in (2002) |
| December 25 | 78.1°F (1955) | 3.0°F (1983) | 2.38 in (1914) |
| December 26 | 78.1°F (2025) | 3.9°F (1983) | 2.80 in (1943) |
| December 27 | 75.9°F (2021) | 10.9°F (1935) | 0.81 in (1932) |
| December 28 | 75.9°F (2025) | 7.0°F (1925) | 3.09 in (1958) |
| December 29 | 73.9°F (1984) | 10.9°F (1925) | 1.52 in (2013) |
| December 30 | 73.9°F (1984) | 3.0°F (1917) | 1.80 in (1948) |
| December 31 | 71.1°F (1923) | 9.0°F (1935) | 2.31 in (1981) |