October weather in Decatur, TN
The average temperature in Decatur in October is 59.2°F (45.5°F–72.9°F). Average precipitation: 3.24 inches.
October is a fall month in Decatur, and is warmer than the annual average of 58.4°F. Daily temperatures swing about 27.4°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 11h 5m. For travel, October is a comfortable month to visit.
Avg High
72.9°F
Avg Low
45.5°F
Precipitation
3.24 in
Daylight
11h 5m
October records in Decatur
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 97.0°F (2019) | 37.0°F (1999) | 0.12 in (2006) |
| October 2 | 97.0°F (2019) | 34.0°F (2003) | 0.52 in (2012) |
| October 3 | 99.0°F (2019) | 33.1°F (2003) | 0.47 in (2021) |
| October 4 | 98.1°F (2019) | 33.1°F (2003) | 1.02 in (2021) |
| October 5 | 91.0°F (2019) | 30.9°F (2014) | 0.66 in (2009) |
| October 6 | 91.0°F (2019) | 30.0°F (2014) | 0.22 in (2021) |
| October 7 | 90.0°F (2018) | 30.0°F (2010) | 1.35 in (2002) |
| October 8 | 90.0°F (2007) | 30.0°F (2000) | 0.87 in (1998) |
| October 9 | 91.0°F (2007) | 30.9°F (2022) | 2.39 in (2017) |
| October 10 | 86.0°F (2017) | 26.1°F (2000) | 1.98 in (1999) |
| October 11 | 87.1°F (2010) | 26.1°F (2000) | 1.58 in (2020) |
| October 12 | 88.0°F (2010) | 28.0°F (2000) | 0.70 in (2014) |
| October 13 | 82.9°F (1997) | 28.0°F (2000) | 1.01 in (2004) |
| October 14 | 84.0°F (2008) | 28.9°F (2006) | 1.06 in (2014) |
| October 15 | 84.0°F (2008) | 28.0°F (2006) | 0.92 in (2009) |
| October 16 | 84.9°F (2022) | 27.0°F (2006) | 0.87 in (2002) |
| October 17 | 84.0°F (2016) | 28.9°F (2024) | 1.30 in (2006) |
| October 18 | 84.9°F (2016) | 28.0°F (2001) | 0.66 in (2006) |
| October 19 | 89.1°F (2016) | 28.0°F (2001) | 1.48 in (2011) |
| October 20 | 91.9°F (2016) | 24.1°F (2022) | 0.57 in (2004) |
| October 21 | 90.0°F (2016) | 25.0°F (2022) | 0.18 in (2002) |
| October 22 | 82.0°F (2007) | 28.0°F (2022) | 1.52 in (2019) |
| October 23 | 82.9°F (2020) | 28.0°F (1997) | 0.94 in (2007) |
| October 24 | 82.0°F (2000) | 27.0°F (1999) | 1.52 in (2019) |
| October 25 | 82.9°F (2016) | 26.1°F (1999) | 1.78 in (2010) |
| October 26 | 82.9°F (2000) | 21.9°F (2013) | 2.74 in (2019) |
| October 27 | 82.9°F (2010) | 21.9°F (2013) | 1.92 in (2010) |
| October 28 | 82.0°F (2016) | 23.0°F (2001) | 1.88 in (2006) |
| October 29 | 84.0°F (2023) | 23.0°F (2008) | 3.08 in (2020) |
| October 30 | 87.1°F (2016) | 23.0°F (2008) | 0.38 in (2002) |
| October 31 | 87.1°F (2016) | 25.0°F (2008) | 1.27 in (2019) |