August weather in Lebanon, TN
The average temperature in Lebanon in August is 78.2°F (66.9°F–89.6°F). Average precipitation: 3.91 inches.
August is a summer month in Lebanon, and is warmer than the annual average of 59.1°F. Daily temperatures swing about 22.7°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
89.6°F
Avg Low
66.9°F
Precipitation
3.91 in
Daylight
13h 23m
August records in Lebanon
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 100.9°F (1999) | 55.9°F (1918) | 1.52 in (2003) |
| August 2 | 100.0°F (1931) | 55.0°F (1992) | 2.14 in (1979) |
| August 3 | 100.0°F (1931) | 48.9°F (1976) | 2.48 in (1966) |
| August 4 | 104.0°F (2011) | 52.0°F (1912) | 1.53 in (1971) |
| August 5 | 104.0°F (1930) | 51.1°F (1912) | 1.66 in (1949) |
| August 6 | 104.0°F (1930) | 54.0°F (1997) | 2.20 in (1923) |
| August 7 | 107.1°F (1930) | 53.1°F (1990) | 2.04 in (1923) |
| August 8 | 109.0°F (1930) | 48.0°F (1989) | 1.93 in (2013) |
| August 9 | 111.0°F (1930) | 48.0°F (1989) | 1.45 in (1914) |
| August 10 | 104.0°F (2007) | 50.0°F (2004) | 2.32 in (1970) |
| August 11 | 100.9°F (1918) | 50.0°F (2004) | 1.22 in (2006) |
| August 12 | 99.0°F (1909) | 50.0°F (1967) | 2.00 in (1978) |
| August 13 | 100.0°F (1909) | 48.0°F (1964) | 2.00 in (1999) |
| August 14 | 100.0°F (1918) | 48.0°F (2004) | 1.35 in (1932) |
| August 15 | 99.0°F (1913) | 46.9°F (2004) | 1.81 in (1950) |
| August 16 | 105.1°F (2007) | 46.9°F (2004) | 2.85 in (1964) |
| August 17 | 107.1°F (2007) | 46.9°F (2004) | 2.03 in (1977) |
| August 18 | 100.9°F (2000) | 46.9°F (2004) | 3.15 in (2010) |
| August 19 | 105.1°F (1925) | 54.0°F (1933) | 4.40 in (2010) |
| August 20 | 104.0°F (1925) | 53.1°F (1998) | 3.54 in (1988) |
| August 21 | 102.9°F (1924) | 54.0°F (1991) | 2.20 in (2014) |
| August 22 | 104.0°F (1924) | 51.1°F (1997) | 1.73 in (2020) |
| August 23 | 102.9°F (2007) | 48.9°F (1997) | 2.26 in (1974) |
| August 24 | 104.0°F (2007) | 46.9°F (1997) | 1.27 in (1992) |
| August 25 | 102.9°F (2007) | 48.0°F (1997) | 3.74 in (1922) |
| August 26 | 100.9°F (1918) | 50.0°F (1917) | 2.30 in (1993) |
| August 27 | 102.9°F (1924) | 51.1°F (2025) | 1.81 in (1989) |
| August 28 | 100.9°F (1924) | 46.9°F (1968) | 1.96 in (1992) |
| August 29 | 102.9°F (1990) | 43.0°F (1986) | 2.88 in (1984) |
| August 30 | 102.9°F (2024) | 45.0°F (1986) | 2.10 in (2005) |
| August 31 | 100.0°F (1995) | 46.9°F (1976) | 6.10 in (1926) |