Weather history and climate summary information is available for the following locations:
- Chattanooga
- Knoxville
- Memphis
- Nashville
Warmest December Days
The warmest December days in Tennessee are:
| Memphis, Tennessee | 1982 | 81°F |
| Knoxville, Tennessee | 1982 | 80.1°F |
| Nashville, Tennessee | 1982 | 79°F |
| Chattanooga, Tennessee | 1998 | 77°F |
| Memphis, Tennessee | 2008 | 77°F |
Coldest December Days
The coldest December days in Tennessee were:
| Nashville, Tennessee | 1989 | -9.9°F |
| Knoxville, Tennessee | 1983 | -6°F |
| Nashville, Tennessee | 1983 | -5.1°F |
| Memphis, Tennessee | 1989 | -4.2°F |
| Chattanooga, Tennessee | 1983 | -2°F |
Wettest December Days
The wettest single days in December occurred:
| Knoxville, Tennessee | 1989 | 5.6 inches |
| Memphis, Tennessee | 1987 | 4.5 inches |
| Memphis, Tennessee | 1982 | 4.2 inches |
| Memphis, Tennessee | 2011 | 4.1 inches |
| Chattanooga, Tennessee | 1973 | 3.9 inches |