Chattanooga
The tables below display average monthly climate and weather indicators in Chattanooga Tennessee.
Temperature by: Fahrenheit / Centigrade
| Chattanooga Temperature |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Avg. Temperature | 3.0 | 5.4 | 10.2 | 15.1 | 19.4 | 24.0 | 25.9 | 25.5 | 22.4 | 15.8 | 10.3 | 5.1 | 15.2 |
| Avg. Max Temperature | 8.2 | 11.3 | 16.6 | 21.9 | 25.8 | 30.2 | 31.7 | 31.2 | 27.8 | 22.2 | 16.2 | 10.4 | 21.1 |
| Avg. Min Temperature | -2.2 | -0.5 | 3.9 | 8.2 | 13.0 | 17.7 | 20.2 | 19.8 | 17.0 | 9.4 | 4.4 | -0.4 | 9.2 |
| Days with Max Temp of 32 C or Higher | 0.0 | 0.0 | 0.0 | < 0.5 | 2.0 | 10.0 | 17.0 | 14.0 | 5.0 | < 0.5 | 0.0 | 0.0 | 49.0 |
| Days with Min Temp Below Freezing | 19.0 | 15.0 | 8.0 | 1.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.0 | 10.0 | 17.0 | 72.0 |
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| Chattanooga Heating and Cooling |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Heating Degree Days | 856 | 650 | 453 | 196 | 57.0 | 0.0 | 0.0 | 0.0 | 9.0 | 190 | 435 | 741 | 3587 |
| Cooling Degree Days | 0.0 | 0.0 | 0.0 | 19.0 | 116 | 306 | 425 | 400 | 231 | 47.0 | 0.0 | 0.0 | 1544 |
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| Chattanooga Precipitation |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Precipitation (inches) | 4.9 | 4.8 | 6.0 | 4.3 | 4.4 | 3.5 | 4.9 | 3.5 | 4.2 | 3.2 | 4.6 | 5.2 | 53.5 |
| Days with Precipitation 0.01 inch or More | 12.0 | 10.0 | 12.0 | 10.0 | 10.0 | 10.0 | 12.0 | 10.0 | 8.0 | 7.0 | 9.0 | 11.0 | 121 |
| Monthly Snowfall (inches) | 1.7 | 1.2 | 0.7 | 0.1 | < 0.05 | < 0.05 | 0.0 | 0.0 | 0.0 | < 0.05 | 0.0 | 0.6 | 4.3 |
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| Other Chattanooga Weather Indicators |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Average Wind Speed | 6.9 | 7.3 | 7.7 | 7.3 | 5.9 | 5.3 | 5.0 | 4.6 | 4.9 | 4.9 | 6.0 | 6.4 | 6.0 |
| Clear Days | 7.0 | 7.0 | 8.0 | 9.0 | 9.0 | 8.0 | 7.0 | 8.0 | 10.0 | 13.0 | 10.0 | 8.0 | 104 |
| Partly Cloudy Days | 7.0 | 6.0 | 8.0 | 8.0 | 10.0 | 12.0 | 13.0 | 13.0 | 10.0 | 8.0 | 7.0 | 6.0 | 106 |
| Cloudy Days | 17.0 | 15.0 | 16.0 | 13.0 | 12.0 | 10.0 | 11.0 | 10.0 | 11.0 | 10.0 | 13.0 | 17.0 | 155 |
| Percent of Possible Sunshine | 43.0 | 49.0 | 53.0 | 61.0 | 65.0 | 65.0 | 62.0 | 63.0 | 64.0 | 63.0 | 53.0 | 44.0 | 57.0 |
| Avg. Relative Humidity | 75.0 | 71.5 | 69.0 | 67.5 | 67.5 | 70.0 | 72.0 | 74.0 | 74.0 | 73.0 | 69.0 | 69.5 | 74.0 |
Weather information for other cities in Tennessee