August weather in Charleston, WV
The average temperature in Charleston in August is 74.6°F (64.1°F–85.2°F). Average precipitation: 3.75 inches.
August is a summer month in Charleston, and is warmer than the annual average of 56.2°F. Daily temperatures swing about 21.1°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 13h 30m. For travel, August is a comfortable month to visit.
Avg High
85.2°F
Avg Low
64.1°F
Precipitation
3.75 in
Daylight
13h 30m
August records in Charleston
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 96.1°F (1975) | 55.9°F (1949) | 1.84 in (1950) |
| August 2 | 98.1°F (1988) | 52.0°F (1992) | 1.77 in (1956) |
| August 3 | 98.1°F (1991) | 51.1°F (1976) | 4.13 in (1958) |
| August 4 | 97.0°F (1955) | 48.0°F (1965) | 1.28 in (2010) |
| August 5 | 96.1°F (2024) | 51.1°F (1951) | 2.22 in (2022) |
| August 6 | 98.1°F (2024) | 48.9°F (1957) | 2.77 in (1978) |
| August 7 | 99.0°F (2024) | 50.0°F (1957) | 1.23 in (1963) |
| August 8 | 98.1°F (2007) | 51.1°F (1989) | 2.81 in (1958) |
| August 9 | 99.0°F (2007) | 46.9°F (1989) | 2.17 in (1969) |
| August 10 | 95.0°F (1988) | 50.0°F (1972) | 1.59 in (1968) |
| August 11 | 95.0°F (1988) | 50.0°F (1972) | 1.14 in (1964) |
| August 12 | 96.1°F (2005) | 48.9°F (1968) | 1.52 in (1996) |
| August 13 | 96.1°F (1985) | 50.0°F (1954) | 1.19 in (1997) |
| August 14 | 99.0°F (1988) | 46.9°F (1964) | 1.91 in (1975) |
| August 15 | 99.0°F (1988) | 46.0°F (1964) | 3.54 in (2022) |
| August 16 | 104.0°F (2007) | 46.9°F (1979) | 1.14 in (2003) |
| August 17 | 100.9°F (1988) | 48.0°F (1979) | 2.21 in (1994) |
| August 18 | 99.0°F (1988) | 51.1°F (1981) | 2.08 in (1980) |
| August 19 | 95.0°F (2007) | 48.9°F (1953) | 2.50 in (1969) |
| August 20 | 99.0°F (1983) | 46.9°F (1953) | 1.15 in (1988) |
| August 21 | 98.1°F (1983) | 48.0°F (2024) | 2.60 in (1980) |
| August 22 | 98.1°F (1983) | 46.9°F (2024) | 1.94 in (1987) |
| August 23 | 96.1°F (1959) | 48.9°F (2024) | 2.35 in (2019) |
| August 24 | 98.1°F (2007) | 46.0°F (1951) | 1.46 in (1977) |
| August 25 | 96.1°F (1959) | 46.0°F (1951) | 1.49 in (1978) |
| August 26 | 96.1°F (2024) | 46.0°F (1951) | 1.88 in (2005) |
| August 27 | 97.0°F (2024) | 50.0°F (1958) | 2.16 in (2006) |
| August 28 | 100.0°F (2024) | 46.0°F (1968) | 2.65 in (2003) |
| August 29 | 100.0°F (1953) | 41.0°F (1965) | 1.99 in (2005) |
| August 30 | 100.0°F (1953) | 44.1°F (1986) | 1.30 in (2006) |
| August 31 | 99.0°F (1953) | 45.0°F (1976) | 1.23 in (1994) |