August weather in Petersburg, TN
The average temperature in Petersburg in August is 77.5°F (64.1°F–90.8°F). Average precipitation: 4.29 inches.
August is a summer month in Petersburg, and is warmer than the annual average of 59°F. Daily temperatures swing about 26.7°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 13h 20m. For travel, August is hot.
Avg High
90.8°F
Avg Low
64.1°F
Precipitation
4.29 in
Daylight
13h 20m
August records in Petersburg
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 102.0°F (1999) | 45.0°F (2014) | 2.05 in (1953) |
| August 2 | 100.0°F (1999) | 46.9°F (2014) | 1.34 in (1924) |
| August 3 | 100.9°F (1930) | 48.9°F (1920) | 1.31 in (2025) |
| August 4 | 102.0°F (1937) | 50.0°F (2009) | 1.75 in (2011) |
| August 5 | 102.9°F (2010) | 44.1°F (2014) | 2.50 in (1901) |
| August 6 | 102.9°F (1930) | 50.0°F (1948) | 2.14 in (1968) |
| August 7 | 106.0°F (1930) | 48.0°F (2004) | 2.00 in (1952) |
| August 8 | 108.0°F (1930) | 44.1°F (1989) | 1.51 in (1913) |
| August 9 | 108.0°F (1930) | 44.1°F (1989) | 5.78 in (1923) |
| August 10 | 102.0°F (2007) | 44.1°F (1989) | 3.10 in (2001) |
| August 11 | 102.9°F (1935) | 48.9°F (1922) | 2.65 in (1948) |
| August 12 | 100.9°F (1999) | 50.0°F (1967) | 2.87 in (1983) |
| August 13 | 102.9°F (1999) | 46.9°F (2004) | 1.94 in (2001) |
| August 14 | 102.9°F (2007) | 44.1°F (2004) | 1.64 in (1908) |
| August 15 | 102.9°F (2007) | 46.0°F (2014) | 2.05 in (1905) |
| August 16 | 106.0°F (2007) | 48.0°F (1929) | 2.93 in (1964) |
| August 17 | 106.0°F (2007) | 48.0°F (2004) | 3.41 in (1985) |
| August 18 | 102.0°F (2000) | 48.9°F (2013) | 1.91 in (1915) |
| August 19 | 105.1°F (1925) | 45.0°F (2013) | 2.03 in (1969) |
| August 20 | 102.9°F (1925) | 50.0°F (2024) | 1.50 in (2016) |
| August 21 | 100.0°F (1924) | 42.1°F (2024) | 1.40 in (2004) |
| August 22 | 102.0°F (1924) | 48.0°F (1939) | 1.79 in (2021) |
| August 23 | 104.0°F (2007) | 48.9°F (2012) | 2.25 in (1916) |
| August 24 | 106.0°F (2007) | 48.9°F (1997) | 3.34 in (1937) |
| August 25 | 102.9°F (2007) | 46.9°F (2015) | 2.10 in (2007) |
| August 26 | 100.9°F (1938) | 39.9°F (2015) | 2.56 in (2008) |
| August 27 | 102.0°F (1936) | 39.0°F (2015) | 1.80 in (1967) |
| August 28 | 102.9°F (1943) | 43.0°F (2015) | 3.12 in (1986) |
| August 29 | 102.0°F (1924) | 42.1°F (2015) | 4.45 in (1963) |
| August 30 | 100.0°F (2000) | 46.0°F (1986) | 3.19 in (2005) |
| August 31 | 102.0°F (1951) | 42.1°F (1946) | 2.93 in (2021) |