Weather in Chattanooga, Tennessee for December 2025
With an average of 3 snowy days, Chattanooga usually enjoys a light touch of snow in December.
According to Chattanooga snow forecast for December 2025, no snow is expected in the next 2 weeks.Until now, December 2025 in Chattanooga is cooler than usual, with temperatures averaging 7 °F, this is -2.7 °F below the typical seasonal average.
The forecast for the upcoming days in Chattanooga predicts a temperature of 11.8 °F, which is slightly above the historical average.
In general, the average temperature in Chattanooga at the beginning of December is 8.6 °F. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 11.6 °F by the end of December.
Chattanooga experiences moderate rainfall in December, with an average of 8 rainy days and a total precipitation of 180.8 mm.
New! Chat with our AI weatherman - it’s amazing and free.
Snow Forecast ❄️
Temperatures
Rain 🌧️
More
Chattanooga Weather December
Temperatures trend during December in Chattanooga
December weather in Chattanooga day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Dec. 1 |  Overcast | 10° /1° | 4.1 mm | 3 | |
| Dec. 2 |  Light rain shower | 9° /5° | 24.5 mm | 2 | |
| Dec. 3 | Patchy rain possible | 9° /0° | 0.4 mm | 3 | |
| Dec. 4 |  Fog | 8° /1° | 0 mm | 2 | |
| Dec. 5 | Mist | 8° /1° | 7.2 mm | 2 | |
| Dec. 6 | Patchy rain possible | 7° /0° | 0 mm | 2 | |
| Dec. 7 | Mist | 9° /0° | 0 mm | 3 | |
| Dec. 8 | Overcast | 10° /4° | 1.3 mm | 2 | |
| Dec. 9 | Light rain shower | 13° /6° | 18.4 mm | 3 | |
| Dec. 10 |  Moderate or heavy rain with thunder | 16° /5° | 27.1 mm | 4 | |
| Dec. 11 | Overcast | 6° /0° | 0 mm | 2 | |
| Dec. 12 |  Sunny | 11° /2° | 0 mm | 3 | |
| Dec. 13 | Overcast | 9° /0° | 0 mm | 2 | |
| Dec. 14 | Sunny | 3° /-7° | 0.1 mm | 0.5 | |
| Dec. 15 | Sunny | 6° /-9° | 0 mm | 0.5 | |
| Dec. 16 |  Cloudy | 10° /-4° | 0 mm | 0.5 | |
| Dec. 17 | Patchy rain possible | 8° /1° | 0.3 mm | 0.2 | |
| Dec. 18 | Patchy rain possible | 16° /5° | 0.1 mm | 0 | |
| Dec. 19 | Patchy rain possible | 15° /12° | 0.4 mm | 3 | |
| Dec. 20 | Patchy rain possible | 18° /12° | 0.2 mm | 4 | |
| Dec. 21 | Patchy rain possible | 16° /7° | 1.3 mm | 3 | |
| Dec. 22 |  Partly cloudy | 14° /3° | 0 mm | 3 | |
| Dec. 23 | Patchy rain possible | 11° /8° | 0.4 mm | 2 | |
| Dec. 24 | Patchy rain possible | 9° /7° | 3.1 mm | 2 | |
| Dec. 25 | Patchy rain possible | 10° /8° | 4.6 mm | 2 | |
| Dec. 26 |  Moderate rain | 17° /13° | 5 mm | 4 | |
| Dec. 27 | Patchy rain possible | 12° /11° | 2.9 mm | 3 | |
| Dec. 28 | Mist | 9° /4° | 25.5 mm | 3 | |
| Dec. 29 |  Light snow showers | 11° /6° | 32.3 mm | 3 | |
| Dec. 30 |  Moderate or heavy snow showers | 10° /5° | 0.3 mm | 3 | |
| Dec. 31 | Mist | 12° /3° | 0 mm | 3 | |
| Next | |||||
Chattanooga in December - FAQ
December rainfall patterns in Chattanooga
Quick links
Where is Chattanooga?Get accurate weather forecasts for Chattanooga, located at latitude 35.046 and longitude -85.31. Stay updated with localized weather information tailored for Chattanooga.