Average annual temperature is 1.3 °C
Absolute maximum temperature: 25.9 °C
Absolute minimum temperature: -28.9 °C
Number of sunny days: 137 days
Number of rainy days: 111 days
Number of snow days: 117 days
Look at detailed online map of Chattanooga (historical)
* Weather data for Chattanooga (historical) United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 2.5 | 2.4 | 2.7 | 10.8 | 12.9 | 17.4 | 25.9 | 21.3 | 19.7 | 16.6 | 8.4 | 7.1 |
| Average daytime temperature (°C) | -5.0 | -2.8 | -2.5 | 4.2 | 10.0 | 13.2 | 21.4 | 19.3 | 15.4 | 9.9 | 3.6 | -0.3 |
| Average temperature (°C) | -8.9 | -8.6 | -7.0 | -2.1 | 4.9 | 7.6 | 14.7 | 13.1 | 8.8 | 3.6 | -4.0 | -7.9 |
| Average night temperature (°C) | -12.4 | -13.2 | -11.2 | -7.4 | -0.2 | 1.8 | 7.3 | 6.9 | 2.7 | -1.8 | -11.0 | -14.5 |
| Absolute minimum temperature (°C) | -23.5 | -20.6 | -19.6 | -20.0 | -3.7 | -2.1 | 1.6 | 4.0 | -1.0 | -24.8 | -26.2 | -28.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 9.6 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.1 | 7.9 | 7.8 | 11.4 | 11.8 | 13.0 | 13.3 | 11.7 | 10.9 | 9.6 | 7.8 | 7.3 |
| Precipitation (mm) | 141 | 92 | 176 | 57 | 70 | 41 | 23 | 71 | 43 | 42 | 40 | 43 |
| Sunny days | 6 | 12 | 6 | 11 | 4 | 12 | 13 | 8 | 14 | 18 | 17 | 16 |
| Rainy days | 4 | 2 | 3 | 1 | 18 | 15 | 18 | 23 | 15 | 7 | 3 | 2 |
| Snow days | 21 | 14 | 22 | 18 | 9 | 3 | 0 | 0 | 1 | 6 | 10 | 13 |
The best time to visit Chattanooga (historical) during the most sunny months:
The largest precipitation sum in Chattanooga (historical) is at