August weather in Grundy, VA
The average temperature in Grundy in August is 72.1°F (62.5°F–81.6°F). Average precipitation: 4.19 inches.
August is a summer month in Grundy, and is warmer than the annual average of 54°F. Daily temperatures swing about 19.1°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 13h 26m. For travel, August is a comfortable month to visit.
Avg High
81.6°F
Avg Low
62.5°F
Precipitation
4.19 in
Daylight
13h 26m
August records in Grundy
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 99.0°F (1995) | 53.1°F (1997) | 1.33 in (2005) |
| August 2 | 99.0°F (1995) | 52.0°F (1990) | 1.29 in (1989) |
| August 3 | 98.1°F (1988) | 51.1°F (1976) | 1.60 in (1958) |
| August 4 | 96.1°F (1995) | 52.0°F (1976) | 1.81 in (1971) |
| August 5 | 97.0°F (1995) | 53.1°F (1976) | 1.40 in (1959) |
| August 6 | 96.1°F (1995) | 53.1°F (1976) | 1.15 in (1962) |
| August 7 | 93.0°F (1965) | 50.0°F (1994) | 2.05 in (2015) |
| August 8 | 97.0°F (1999) | 48.9°F (1989) | 0.90 in (1981) |
| August 9 | 95.0°F (2007) | 45.0°F (1989) | 1.26 in (1977) |
| August 10 | 95.0°F (1988) | 50.0°F (1989) | 3.12 in (2013) |
| August 11 | 96.1°F (1980) | 52.0°F (2002) | 2.10 in (1984) |
| August 12 | 93.9°F (1980) | 52.0°F (2008) | 1.91 in (2021) |
| August 13 | 95.0°F (1965) | 52.0°F (2008) | 2.68 in (1993) |
| August 14 | 98.1°F (1999) | 54.0°F (1983) | 1.26 in (2025) |
| August 15 | 98.1°F (1995) | 52.0°F (1963) | 1.75 in (2020) |
| August 16 | 100.0°F (1965) | 50.0°F (1979) | 1.15 in (2003) |
| August 17 | 98.1°F (1965) | 51.1°F (1979) | 1.99 in (1994) |
| August 18 | 99.0°F (1965) | 52.0°F (1979) | 2.53 in (2021) |
| August 19 | 98.1°F (1995) | 53.1°F (1976) | 1.13 in (2014) |
| August 20 | 98.1°F (1962) | 54.0°F (1976) | 1.92 in (2006) |
| August 21 | 98.1°F (1983) | 50.0°F (2024) | 0.95 in (1965) |
| August 22 | 99.0°F (1983) | 48.0°F (2024) | 1.64 in (1965) |
| August 23 | 97.0°F (1983) | 48.9°F (2024) | 1.30 in (1979) |
| August 24 | 95.0°F (2007) | 52.0°F (2018) | 1.14 in (1982) |
| August 25 | 97.0°F (1995) | 52.0°F (1995) | 1.42 in (1993) |
| August 26 | 99.0°F (1995) | 53.1°F (1971) | 0.37 in (1979) |
| August 27 | 93.9°F (1969) | 48.9°F (2025) | 1.54 in (2002) |
| August 28 | 93.9°F (1992) | 46.9°F (2025) | 2.36 in (1976) |
| August 29 | 95.0°F (1990) | 45.0°F (1965) | 0.47 in (1959) |
| August 30 | 96.1°F (1973) | 45.0°F (1986) | 0.65 in (1978) |
| August 31 | 96.1°F (1973) | 46.9°F (1976) | 1.70 in (1959) |