December weather in Jellico, TN
The average temperature in Jellico in December is 39.0°F (28.8°F–49.1°F). Average precipitation: 5.12 inches.
December is a winter month in Jellico, and is cooler than the annual average of 56°F. Daily temperatures swing about 20.3°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 9h 31m. For travel, December is a wet month.
Avg High
49.1°F
Avg Low
28.8°F
Precipitation
5.12 in
Daylight
9h 31m
December records in Jellico
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 72.0°F (2006) | 16.0°F (1999) | 2.82 in (1996) |
| December 2 | 64.9°F (2012) | 16.0°F (1999) | 1.35 in (1991) |
| December 3 | 71.1°F (2021) | 17.1°F (2020) | 2.51 in (1991) |
| December 4 | 73.9°F (2021) | 17.1°F (2024) | 1.71 in (1990) |
| December 5 | 71.1°F (2001) | 17.1°F (2024) | 2.20 in (1993) |
| December 6 | 72.0°F (2013) | 12.0°F (2024) | 1.46 in (1954) |
| December 7 | 72.0°F (2001) | 12.0°F (2024) | 1.92 in (2013) |
| December 8 | 72.0°F (2004) | 10.0°F (2006) | 2.30 in (1951) |
| December 9 | 68.0°F (2012) | 10.0°F (2006) | 2.14 in (2009) |
| December 10 | 68.0°F (2008) | 10.9°F (2006) | 2.23 in (2008) |
| December 11 | 72.0°F (2007) | 12.9°F (2016) | 0.95 in (1960) |
| December 12 | 75.0°F (2007) | 15.1°F (2009) | 1.98 in (2008) |
| December 13 | 71.1°F (2015) | 16.0°F (2017) | 2.16 in (1998) |
| December 14 | 70.0°F (2015) | 10.0°F (2010) | 1.60 in (1956) |
| December 15 | 69.1°F (2001) | 5.0°F (2010) | 2.08 in (2022) |
| December 16 | 66.0°F (2011) | 5.0°F (2010) | 1.05 in (1982) |
| December 17 | 70.0°F (2015) | 17.1°F (2025) | 1.21 in (2019) |
| December 18 | 70.0°F (2006) | 10.0°F (2000) | 1.26 in (1961) |
| December 19 | 71.1°F (2006) | 16.0°F (2000) | 1.17 in (2009) |
| December 20 | 66.9°F (2008) | 6.1°F (2004) | 0.90 in (1957) |
| December 21 | 64.9°F (2013) | 6.1°F (2004) | 1.12 in (1990) |
| December 22 | 72.0°F (2013) | 8.1°F (2000) | 1.65 in (2013) |
| December 23 | 66.9°F (2017) | 1.0°F (2022) | 3.36 in (1990) |
| December 24 | 66.9°F (2015) | 1.0°F (2022) | 1.46 in (2017) |
| December 25 | 71.1°F (2015) | 7.0°F (2022) | 2.20 in (1987) |
| December 26 | 70.0°F (2021) | 7.0°F (2022) | 2.21 in (1973) |
| December 27 | 75.0°F (2015) | 8.1°F (2020) | 1.02 in (2016) |
| December 28 | 75.9°F (2015) | 6.1°F (2010) | 1.80 in (2018) |
| December 29 | 72.0°F (2015) | 6.1°F (2010) | 2.74 in (1954) |
| December 30 | 64.9°F (2015) | 10.9°F (2001) | 1.68 in (2019) |
| December 31 | 66.0°F (2022) | 10.9°F (2001) | 1.52 in (1989) |