August weather in St. Joseph, TN
The average temperature in St. Joseph in August is 78.9°F (67.9°F–89.9°F). Average precipitation: 3.97 inches.
August is a summer month in St. Joseph, and is warmer than the annual average of 61°F. Daily temperatures swing about 22°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 13h 19m. For travel, August is hot.
Avg High
89.9°F
Avg Low
67.9°F
Precipitation
3.97 in
Daylight
13h 19m
August records in St. Joseph
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 97.0°F (2006) | 62.1°F (2014) | 0.50 in (2004) |
| August 2 | 98.1°F (2006) | 63.0°F (2020) | 2.15 in (2009) |
| August 3 | 98.1°F (2006) | 62.1°F (2013) | 1.17 in (2016) |
| August 4 | 100.0°F (2006) | 63.0°F (2013) | 2.55 in (2023) |
| August 5 | 99.0°F (2006) | 60.1°F (2014) | 0.27 in (2019) |
| August 6 | 98.1°F (2007) | 59.0°F (2004) | 1.08 in (2016) |
| August 7 | 98.1°F (2007) | 52.0°F (2004) | 4.04 in (2015) |
| August 8 | 100.9°F (2006) | 54.0°F (2004) | 0.90 in (2008) |
| August 9 | 99.0°F (2007) | 61.0°F (2004) | 1.62 in (2011) |
| August 10 | 100.9°F (2007) | 61.0°F (2008) | 1.72 in (2023) |
| August 11 | 102.9°F (2007) | 60.1°F (2012) | 1.78 in (2006) |
| August 12 | 100.0°F (2007) | 55.0°F (2012) | 0.85 in (2009) |
| August 13 | 100.9°F (2007) | 50.0°F (2004) | 1.19 in (2020) |
| August 14 | 102.0°F (2007) | 52.0°F (2004) | 2.12 in (2019) |
| August 15 | 102.0°F (2007) | 52.0°F (2004) | 0.88 in (2010) |
| August 16 | 104.0°F (2007) | 54.0°F (2004) | 0.04 in (2025) |
| August 17 | 105.1°F (2007) | 57.0°F (2004) | 1.38 in (2012) |
| August 18 | 100.9°F (2007) | 57.9°F (2004) | 2.32 in (2021) |
| August 19 | 100.0°F (2007) | 59.0°F (2004) | 1.37 in (2021) |
| August 20 | 97.0°F (2005) | 57.9°F (2012) | 1.47 in (2025) |
| August 21 | 98.1°F (2005) | 57.0°F (2012) | 1.37 in (2016) |
| August 22 | 100.0°F (2007) | 57.0°F (2012) | 2.14 in (2004) |
| August 23 | 102.9°F (2007) | 57.0°F (2009) | 1.35 in (2015) |
| August 24 | 104.0°F (2007) | 57.0°F (2009) | 0.18 in (2014) |
| August 25 | 102.9°F (2007) | 54.0°F (2015) | 1.09 in (2007) |
| August 26 | 96.1°F (2006) | 55.9°F (2015) | 2.84 in (2008) |
| August 27 | 95.0°F (2006) | 55.0°F (2025) | 0.79 in (2016) |
| August 28 | 97.0°F (2024) | 55.0°F (2025) | 0.67 in (2020) |
| August 29 | 99.0°F (2024) | 55.9°F (2025) | 1.28 in (2020) |
| August 30 | 100.0°F (2024) | 57.0°F (2011) | 4.18 in (2005) |
| August 31 | 96.1°F (2024) | 55.9°F (2009) | 3.17 in (2021) |