August weather in Roanoke, VA
The average temperature in Roanoke in August is 76.2°F (66.0°F–86.5°F). Average precipitation: 3.37 inches.
August is a summer month in Roanoke, and is warmer than the annual average of 58.1°F. Daily temperatures swing about 20.5°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 13h 26m. For travel, August is a comfortable month to visit.
Avg High
86.5°F
Avg Low
66.0°F
Precipitation
3.37 in
Daylight
13h 26m
August records in Roanoke
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 97.0°F (1953) | 54.0°F (1997) | 1.49 in (1971) |
| August 2 | 99.0°F (2006) | 55.9°F (1992) | 1.44 in (1974) |
| August 3 | 100.0°F (1963) | 50.0°F (1976) | 1.42 in (1968) |
| August 4 | 98.1°F (1955) | 51.1°F (1976) | 3.29 in (1948) |
| August 5 | 97.0°F (1977) | 54.0°F (1985) | 1.51 in (1975) |
| August 6 | 99.0°F (1977) | 53.1°F (1948) | 3.00 in (1978) |
| August 7 | 99.0°F (1977) | 52.0°F (1948) | 1.07 in (1976) |
| August 8 | 100.0°F (2007) | 53.1°F (2004) | 3.14 in (2024) |
| August 9 | 100.9°F (2007) | 50.0°F (1989) | 1.72 in (2014) |
| August 10 | 99.0°F (2007) | 50.0°F (1989) | 2.79 in (1984) |
| August 11 | 96.1°F (1980) | 52.0°F (1962) | 3.16 in (1984) |
| August 12 | 96.1°F (1977) | 54.0°F (2008) | 2.89 in (1996) |
| August 13 | 97.0°F (1995) | 48.9°F (1979) | 2.17 in (1949) |
| August 14 | 100.0°F (1995) | 48.9°F (1964) | 1.44 in (1958) |
| August 15 | 99.0°F (1988) | 44.1°F (1964) | 2.79 in (2021) |
| August 16 | 102.0°F (2007) | 46.9°F (1979) | 2.09 in (1998) |
| August 17 | 102.0°F (1988) | 48.0°F (1979) | 2.19 in (1985) |
| August 18 | 100.0°F (1988) | 53.1°F (1981) | 3.18 in (1985) |
| August 19 | 97.0°F (1983) | 54.0°F (1976) | 1.12 in (1986) |
| August 20 | 104.0°F (1983) | 52.0°F (1976) | 1.66 in (2009) |
| August 21 | 105.1°F (1983) | 50.0°F (2024) | 4.27 in (2025) |
| August 22 | 104.0°F (1983) | 48.9°F (1956) | 2.03 in (1967) |
| August 23 | 97.0°F (1959) | 50.0°F (1956) | 1.65 in (2014) |
| August 24 | 95.0°F (2007) | 50.0°F (1997) | 1.73 in (1967) |
| August 25 | 100.0°F (2007) | 50.0°F (1952) | 1.84 in (1961) |
| August 26 | 98.1°F (1959) | 51.1°F (1952) | 1.20 in (1949) |
| August 27 | 97.0°F (1953) | 51.1°F (2025) | 3.83 in (2008) |
| August 28 | 98.1°F (1948) | 48.9°F (1968) | 1.60 in (1949) |
| August 29 | 100.0°F (1953) | 42.1°F (1986) | 1.01 in (1988) |
| August 30 | 100.0°F (1953) | 42.1°F (1986) | 2.21 in (1964) |
| August 31 | 100.0°F (1953) | 45.0°F (1976) | 2.58 in (1952) |