December weather in Winchester, TN
The average temperature in Winchester in December is 42.4°F (33.1°F–51.8°F). Average precipitation: 5.75 inches. Average snowfall is 0.7 inches.
December is a winter month in Winchester, and is cooler than the annual average of 59.2°F. Daily temperatures swing about 18.7°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 9h 38m. For travel, December is a wet month.
Avg High
51.8°F
Avg Low
33.1°F
Precipitation
5.75 in
Snow
0.7 in
December records in Winchester
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 70.0°F (2006) | 19.0°F (2002) | 4.88 in (1991) |
| December 2 | 73.0°F (1998) | 18.0°F (2020) | 1.93 in (1991) |
| December 3 | 77.0°F (1990) | 19.0°F (1989) | 2.14 in (1990) |
| December 4 | 75.9°F (1998) | 17.1°F (1989) | 2.18 in (1993) |
| December 5 | 75.0°F (1998) | 18.0°F (2006) | 0.98 in (2011) |
| December 6 | 73.0°F (1998) | 14.0°F (2024) | 2.61 in (2004) |
| December 7 | 73.9°F (1998) | 16.0°F (2006) | 1.20 in (2016) |
| December 8 | 69.1°F (2012) | 12.0°F (2006) | 1.70 in (2009) |
| December 9 | 71.1°F (2007) | 12.0°F (2006) | 3.46 in (2004) |
| December 10 | 75.0°F (2007) | 8.1°F (1995) | 1.80 in (2008) |
| December 11 | 75.9°F (2007) | 14.0°F (1995) | 1.75 in (2008) |
| December 12 | 72.0°F (2015) | 17.1°F (2000) | 1.63 in (1998) |
| December 13 | 68.0°F (2007) | 10.9°F (2010) | 1.26 in (2001) |
| December 14 | 72.0°F (2015) | 8.1°F (2010) | 1.71 in (2001) |
| December 15 | 73.0°F (2015) | 15.1°F (1985) | 1.07 in (2005) |
| December 16 | 73.9°F (2015) | 1.9°F (1989) | 2.55 in (2000) |
| December 17 | 71.1°F (2006) | 14.0°F (2000) | 2.10 in (2019) |
| December 18 | 71.1°F (1990) | 14.0°F (2000) | 0.88 in (1995) |
| December 19 | 70.0°F (2024) | 10.0°F (1985) | 0.80 in (2025) |
| December 20 | 66.0°F (1988) | 10.0°F (2000) | 1.44 in (1992) |
| December 21 | 73.0°F (2013) | 12.0°F (2005) | 1.25 in (2017) |
| December 22 | 72.0°F (2013) | -5.1°F (1989) | 7.52 in (1990) |
| December 23 | 66.0°F (1990) | -5.1°F (1989) | 4.74 in (1990) |
| December 24 | 70.0°F (2015) | 0.0°F (1989) | 1.88 in (1987) |
| December 25 | 73.9°F (2015) | 3.9°F (2022) | 2.00 in (2015) |
| December 26 | 75.0°F (2015) | 7.0°F (2022) | 2.00 in (2015) |
| December 27 | 73.9°F (2015) | 10.9°F (2022) | 0.65 in (2014) |
| December 28 | 75.9°F (2015) | 10.0°F (2010) | 1.98 in (2018) |
| December 29 | 73.9°F (2025) | 18.0°F (2000) | 1.64 in (2016) |
| December 30 | 73.9°F (2025) | 15.1°F (1993) | 1.25 in (2009) |
| December 31 | 71.1°F (2021) | 14.0°F (2017) | 1.04 in (1989) |