Weather history and climate summary information is available for the following locations:
- Chattanooga
- Knoxville
- Memphis
- Nashville
Warmest January Days
The warmest January days in Tennessee are:
| Memphis, Tennessee | 2002 | 79°F |
| Knoxville, Tennessee | 1950 | 77°F |
| Memphis, Tennessee | 1975 | 77°F |
| Chattanooga, Tennessee | 2002 | 77°F |
| Nashville, Tennessee | 1975 | 75.9°F |
Coldest January Days
The coldest January days in Tennessee were:
| Knoxville, Tennessee | 1985 | -24°F |
| Nashville, Tennessee | 1985 | -17°F |
| Nashville, Tennessee | 1982 | -11°F |
| Chattanooga, Tennessee | 1985 | -9.9°F |
| Nashville, Tennessee | 1984 | -5.1°F |
Wettest January Days
The wettest single days in January occurred:
| Memphis, Tennessee | 1995 | 7.6 inches |
| Memphis, Tennessee | 1973 | 5.6 inches |
| Nashville, Tennessee | 1973 | 4.3 inches |
| Nashville, Tennessee | 1999 | 3.5 inches |
| Chattanooga, Tennessee | 2009 | 3.4 inches |