August weather in New Johnsonville, TN
The average temperature in New Johnsonville in August is 78.8°F (68.1°F–89.5°F). Average precipitation: 3.82 inches.
August is a summer month in New Johnsonville, and is warmer than the annual average of 60°F. Daily temperatures swing about 21.4°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 13h 22m. For travel, August is hot.
Avg High
89.5°F
Avg Low
68.1°F
Precipitation
3.82 in
Daylight
13h 22m
August records in New Johnsonville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 100.9°F (1999) | 64.0°F (2014) | 2.42 in (2013) |
| August 2 | 99.0°F (2012) | 64.0°F (2013) | 0.67 in (2016) |
| August 3 | 98.1°F (2010) | 61.0°F (2021) | 0.85 in (2000) |
| August 4 | 105.1°F (2011) | 61.0°F (2021) | 2.10 in (2023) |
| August 5 | 102.9°F (2010) | 55.9°F (2017) | 1.20 in (2023) |
| August 6 | 100.0°F (2010) | 55.0°F (2004) | 1.20 in (2015) |
| August 7 | 100.0°F (2007) | 57.9°F (2002) | 0.95 in (2011) |
| August 8 | 100.0°F (2007) | 59.0°F (2002) | 1.50 in (2013) |
| August 9 | 102.0°F (2007) | 57.0°F (2008) | 1.12 in (2014) |
| August 10 | 104.0°F (2007) | 61.0°F (2024) | 0.86 in (1997) |
| August 11 | 100.0°F (1999) | 55.9°F (2004) | 2.68 in (2006) |
| August 12 | 100.9°F (1999) | 50.0°F (2004) | 0.35 in (1999) |
| August 13 | 102.9°F (2007) | 48.9°F (2004) | 1.59 in (2013) |
| August 14 | 98.1°F (2010) | 48.9°F (2004) | 2.00 in (2025) |
| August 15 | 100.9°F (2007) | 51.1°F (2004) | 1.30 in (2020) |
| August 16 | 105.1°F (2007) | 52.0°F (2004) | 1.03 in (2002) |
| August 17 | 107.1°F (2007) | 54.0°F (2004) | 1.50 in (2012) |
| August 18 | 100.9°F (2007) | 55.9°F (2008) | 0.40 in (2004) |
| August 19 | 100.9°F (1999) | 57.9°F (2008) | 1.67 in (2004) |
| August 20 | 98.1°F (2005) | 57.0°F (1999) | 1.04 in (2015) |
| August 21 | 97.0°F (2005) | 55.9°F (2024) | 0.26 in (2016) |
| August 22 | 100.9°F (2007) | 15.1°F (2003) | 1.12 in (2004) |
| August 23 | 102.9°F (2007) | 55.0°F (2009) | 1.15 in (2017) |
| August 24 | 102.9°F (2007) | 54.0°F (1997) | 0.81 in (2002) |
| August 25 | 102.9°F (2007) | 54.0°F (2015) | 0.26 in (2000) |
| August 26 | 100.0°F (2007) | 54.0°F (2015) | 3.09 in (2019) |
| August 27 | 99.0°F (2024) | 50.0°F (2025) | 0.60 in (2016) |
| August 28 | 100.0°F (2007) | 54.0°F (2025) | 0.35 in (2006) |
| August 29 | 100.9°F (2000) | 57.0°F (2019) | 2.71 in (2005) |
| August 30 | 100.9°F (2024) | 53.1°F (1999) | 1.62 in (2007) |
| August 31 | 97.0°F (2024) | 54.0°F (1999) | 2.18 in (2021) |