August weather in Greenbrier, TN
The average temperature in Greenbrier in August is 77.2°F (66.3°F–88.1°F). Average precipitation: 3.72 inches.
August is a summer month in Greenbrier, and is warmer than the annual average of 58.1°F. Daily temperatures swing about 21.8°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 13h 23m. For travel, August is hot.
Avg High
88.1°F
Avg Low
66.3°F
Precipitation
3.72 in
Daylight
13h 23m
August records in Greenbrier
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 99.0°F (1980) | 42.1°F (1998) | 2.40 in (2021) |
| August 2 | 100.0°F (1945) | 43.0°F (1998) | 1.00 in (1958) |
| August 3 | 100.0°F (1952) | 52.0°F (1965) | 2.04 in (2003) |
| August 4 | 102.0°F (2011) | 53.1°F (1950) | 2.18 in (1971) |
| August 5 | 102.9°F (2010) | 53.1°F (1974) | 2.66 in (1994) |
| August 6 | 100.0°F (1947) | 52.0°F (1957) | 1.60 in (1995) |
| August 7 | 100.0°F (2007) | 50.0°F (1990) | 1.49 in (2019) |
| August 8 | 100.9°F (2007) | 46.0°F (1989) | 1.37 in (2017) |
| August 9 | 102.0°F (2007) | 46.0°F (1989) | 2.00 in (2013) |
| August 10 | 105.1°F (2007) | 48.0°F (1989) | 1.98 in (2018) |
| August 11 | 100.0°F (2006) | 52.0°F (1976) | 1.72 in (1978) |
| August 12 | 100.0°F (2007) | 53.1°F (1967) | 0.80 in (1973) |
| August 13 | 100.9°F (1999) | 46.9°F (2004) | 1.66 in (2020) |
| August 14 | 100.9°F (2010) | 46.9°F (2004) | 0.97 in (2012) |
| August 15 | 102.9°F (1954) | 48.9°F (1963) | 0.66 in (2002) |
| August 16 | 105.1°F (1954) | 48.9°F (2004) | 1.45 in (1966) |
| August 17 | 106.0°F (2007) | 51.1°F (1979) | 1.70 in (1985) |
| August 18 | 102.9°F (1988) | 51.1°F (1943) | 1.56 in (2005) |
| August 19 | 102.9°F (2007) | 46.9°F (1943) | 1.83 in (1969) |
| August 20 | 100.0°F (1999) | 48.0°F (1943) | 2.20 in (1988) |
| August 21 | 100.0°F (1983) | 50.0°F (1991) | 2.07 in (2004) |
| August 22 | 98.1°F (1980) | 48.9°F (1956) | 1.21 in (2022) |
| August 23 | 102.9°F (2007) | 50.0°F (1997) | 2.29 in (2017) |
| August 24 | 102.9°F (2007) | 48.9°F (1997) | 0.78 in (1992) |
| August 25 | 102.9°F (2007) | 48.9°F (1997) | 1.23 in (1985) |
| August 26 | 100.9°F (1943) | 48.9°F (2025) | 4.86 in (2019) |
| August 27 | 100.0°F (1943) | 48.9°F (2025) | 0.80 in (2000) |
| August 28 | 100.0°F (1990) | 48.9°F (1968) | 1.30 in (2023) |
| August 29 | 100.0°F (1990) | 44.1°F (1986) | 2.22 in (1984) |
| August 30 | 100.0°F (2024) | 45.0°F (1986) | 3.94 in (2005) |
| August 31 | 100.9°F (1953) | 42.1°F (1946) | 2.78 in (1979) |