August weather in Rock Hill, SC
The average temperature in Rock Hill in August is 78.9°F (68.9°F–89.0°F). Average precipitation: 3.72 inches.
August is a summer month in Rock Hill, and is warmer than the annual average of 62.1°F. Daily temperatures swing about 20.1°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 13h 19m. For travel, August is hot.
Avg High
89.0°F
Avg Low
68.9°F
Precipitation
3.72 in
Daylight
13h 19m
August records in Rock Hill
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 102.0°F (1999) | 57.9°F (1966) | 1.58 in (1949) |
| August 2 | 100.0°F (1921) | 61.0°F (1925) | 1.64 in (1904) |
| August 3 | 100.0°F (1935) | 61.0°F (1912) | 1.80 in (1948) |
| August 4 | 100.0°F (1934) | 57.9°F (1985) | 1.65 in (1911) |
| August 5 | 99.0°F (1935) | 55.0°F (1929) | 2.50 in (1921) |
| August 6 | 102.0°F (1956) | 55.9°F (1912) | 3.84 in (1970) |
| August 7 | 102.0°F (1935) | 54.0°F (2004) | 2.50 in (1952) |
| August 8 | 100.9°F (1999) | 57.0°F (2004) | 3.68 in (1993) |
| August 9 | 102.9°F (2007) | 59.0°F (1989) | 2.49 in (1909) |
| August 10 | 106.0°F (2007) | 57.9°F (1904) | 1.95 in (1927) |
| August 11 | 100.0°F (1900) | 52.0°F (1943) | 3.09 in (1928) |
| August 12 | 100.9°F (1925) | 57.9°F (1931) | 2.49 in (1982) |
| August 13 | 102.0°F (1925) | 57.0°F (1979) | 4.80 in (1970) |
| August 14 | 100.9°F (1925) | 57.9°F (1930) | 3.60 in (1902) |
| August 15 | 100.0°F (2007) | 57.9°F (1964) | 2.44 in (2017) |
| August 16 | 102.9°F (1954) | 59.0°F (1964) | 2.95 in (1928) |
| August 17 | 100.0°F (1954) | 57.9°F (1963) | 5.34 in (1985) |
| August 18 | 104.0°F (1988) | 61.0°F (1948) | 1.88 in (1986) |
| August 19 | 100.9°F (1925) | 60.1°F (1943) | 1.81 in (1986) |
| August 20 | 106.0°F (1925) | 57.9°F (1918) | 2.00 in (1942) |
| August 21 | 106.0°F (1983) | 55.0°F (1918) | 3.18 in (1967) |
| August 22 | 102.9°F (1983) | 53.1°F (1931) | 2.05 in (1990) |
| August 23 | 102.9°F (1983) | 51.1°F (1930) | 6.00 in (1967) |
| August 24 | 100.0°F (1938) | 55.0°F (1930) | 2.02 in (1908) |
| August 25 | 100.0°F (1918) | 51.1°F (1952) | 5.08 in (1908) |
| August 26 | 99.0°F (1943) | 48.9°F (1942) | 2.80 in (2008) |
| August 27 | 100.0°F (1943) | 52.0°F (1942) | 4.38 in (1995) |
| August 28 | 98.1°F (1900) | 54.0°F (1944) | 2.85 in (1949) |
| August 29 | 100.9°F (1932) | 52.0°F (1968) | 1.10 in (2004) |
| August 30 | 102.0°F (1932) | 54.0°F (1968) | 1.65 in (2006) |
| August 31 | 100.0°F (1932) | 53.1°F (1946) | 3.02 in (1959) |