Chattanooga Climate: Weather by Month and Best Time to Visit
Best months for Chattanooga: October, September, April, May.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 10°C | 1°C | 119 mm | 11 | – | – | 5.5 |
| February | 13°C | 2°C | 113 mm | 10 | – | – | 6.0 |
| March | 17°C | 6°C | 133 mm | 12 | – | – | 6.5 |
| April | 22°C | 10°C | 120 mm | 10 | – | – | 7.5 |
| May | 26°C | 15°C | 100 mm | 11 | – | – | 7.5 |
| June | 29°C | 19°C | 96 mm | 13 | – | – | 7.2 |
| July | 31°C | 21°C | 104 mm | 13 | – | – | 6.7 |
| August | 31°C | 21°C | 85 mm | 11 | – | – | 7.1 |
| September | 28°C | 17°C | 99 mm | 8 | – | – | 8.0 |
| October | 22°C | 11°C | 84 mm | 7 | – | – | 8.1 |
| November | 16°C | 5°C | 105 mm | 9 | – | – | 6.8 |
| December | 11°C | 2°C | 128 mm | 10 | – | – | 5.8 |