August weather in Hilton Head Island, SC
The average temperature in Hilton Head Island in August is 82.4°F (74.5°F–90.3°F). Average precipitation: inches.
August is a summer month in Hilton Head Island, and is warmer than the annual average of 67.8°F. Daily temperatures swing about 15.8°F between overnight low and afternoon high. Daylight averages about 13h 11m. For travel, August is hot.
Avg High
90.3°F
Avg Low
74.5°F
Precipitation
in
Daylight
13h 11m
August records in Hilton Head Island
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 100.9°F (1999) | 63.0°F (1933) | 2.70 in (1914) |
| August 2 | 104.0°F (1999) | 63.0°F (1933) | 3.10 in (1979) |
| August 3 | 100.0°F (1953) | 66.9°F (1922) | 2.90 in (1995) |
| August 4 | 102.0°F (1954) | 66.0°F (1937) | 1.89 in (1974) |
| August 5 | 102.0°F (1954) | 64.9°F (1969) | 2.00 in (1914) |
| August 6 | 102.9°F (1899) | 64.9°F (1909) | 3.60 in (1974) |
| August 7 | 100.9°F (1899) | 63.0°F (1948) | 2.18 in (1990) |
| August 8 | 98.1°F (1972) | 63.0°F (1950) | 3.97 in (1909) |
| August 9 | 100.9°F (1900) | 66.0°F (1989) | 2.10 in (1964) |
| August 10 | 97.0°F (1941) | 64.9°F (1912) | 2.00 in (1902) |
| August 11 | 99.0°F (1932) | 66.9°F (1989) | 10.84 in (1940) |
| August 12 | 99.0°F (1938) | 64.9°F (1967) | 2.25 in (1955) |
| August 13 | 100.9°F (1999) | 61.0°F (1962) | 4.00 in (1932) |
| August 14 | 98.1°F (1900) | 62.1°F (1967) | 4.36 in (1986) |
| August 15 | 98.1°F (1921) | 61.0°F (1967) | 3.73 in (1917) |
| August 16 | 97.0°F (1954) | 64.0°F (1967) | 2.01 in (1988) |
| August 17 | 100.0°F (1954) | 62.1°F (1967) | 10.20 in (1971) |
| August 18 | 99.0°F (1938) | 64.9°F (1979) | 2.00 in (1965) |
| August 19 | 98.1°F (1900) | 66.0°F (1960) | 2.69 in (1903) |
| August 20 | 99.0°F (1921) | 63.0°F (1930) | 2.83 in (1894) |
| August 21 | 102.0°F (1900) | 61.0°F (1930) | 2.25 in (1946) |
| August 22 | 100.9°F (1968) | 59.0°F (1930) | 1.54 in (1895) |
| August 23 | 100.0°F (1968) | 57.9°F (1931) | 2.50 in (1992) |
| August 24 | 100.9°F (1968) | 60.1°F (1921) | 2.88 in (1995) |
| August 25 | 98.1°F (1938) | 62.1°F (1930) | 2.52 in (1923) |
| August 26 | 99.0°F (1936) | 62.1°F (1917) | 3.20 in (1961) |
| August 27 | 102.0°F (1938) | 61.0°F (1946) | 5.14 in (1904) |
| August 28 | 99.0°F (1998) | 60.1°F (1945) | 5.10 in (1949) |
| August 29 | 100.0°F (1998) | 55.9°F (1986) | 5.77 in (1964) |
| August 30 | 100.0°F (1998) | 57.0°F (1986) | 5.69 in (1985) |
| August 31 | 98.1°F (1998) | 61.0°F (1934) | 10.82 in (1898) |