Chattanooga (TN)
December
Weather in Chattanooga, Tennessee for December 2025
Your guide to Chattanooga weather in December - trends and predictions
With an average of 3 snowy days, Chattanooga usually enjoys a light touch of snow in December.
In general, the average temperature in Chattanooga at the beginning of December is 9.6 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 11 °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.
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Snow Forecast ❄️
Temperatures
Rain 🌧️
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20
Dry days
8
Rainy days
3
Snow days
10°/3°
Temperatures
13 km/h
Avg max wind
72 %
Avg humidity
Chattanooga Weather December
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Temperatures trend during December in Chattanooga
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December weather in Chattanooga day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Dec. 1 |  Moderate rain | 11° /3° | 6.1 mm | 0 cm | |
| Dec. 2 |  Light rain shower | 11° /6° | 3.7 mm | 0 cm | |
| Dec. 3 | Patchy rain possible | 11° /1° | 0.5 mm | 0 cm | |
| Dec. 4 |  Fog | 9° /2° | 0 mm | 0 cm | |
| Dec. 5 | Mist | 8° /1° | 0 mm | 0 cm | |
| Dec. 6 | Patchy rain possible | 7° /-2° | 0 mm | 0 cm | |
| Dec. 7 | Mist | 10° /-1° | 0 mm | 0 cm | |
| Dec. 8 |  Overcast | 11° /4° | 1.9 mm | 0 cm | |
| Dec. 9 | Light rain shower | 16° /8° | 27.6 mm | 0 cm | |
| Dec. 10 |  Moderate or heavy rain with thunder | 18° /6° | 40.7 mm | 0.6 cm | |
| Dec. 11 |  Sunny | 7° /0° | 0 mm | 0 cm | |
| Dec. 12 | Overcast | 9° /1° | 0 mm | 0 cm | |
| Dec. 13 | Overcast | 10° /0° | 0 mm | 0 cm | |
| Dec. 14 |  Partly cloudy | 11° /2° | 0 mm | 0 cm | |
| Dec. 15 | Sunny | 10° /2° | 0.6 mm | 0 cm | |
| Dec. 16 | Overcast | 13° /4° | 0.1 mm | 0 cm | |
| Dec. 17 |  Light drizzle | 13° /10° | 6.3 mm | 0 cm | |
| Dec. 18 | Mist | 11° /5° | 0 mm | 0 cm | |
| Dec. 19 | Sunny | 7° /1° | 0 mm | 0 cm | |
| Dec. 20 | Overcast | 7° /-1° | 0 mm | 0 cm | |
| Dec. 21 | Overcast | 7° /0° | 0 mm | 0 cm | |
| Dec. 22 |  Cloudy | 9° /1° | 0 mm | 0 cm | |
| Dec. 23 | Partly cloudy | 10° /4° | 0 mm | 0 cm | |
| Dec. 24 | Mist | 13° /4° | 0 mm | 0 cm | |
| Dec. 25 | Light rain shower | 13° /8° | 6.2 mm | 0 cm | |
| Dec. 26 | Light rain shower | 12° /6° | 0.6 mm | 0 cm | |
| Dec. 27 | Mist | 10° /4° | 28.3 mm | 0 cm | |
| Dec. 28 | Mist | 9° /4° | 25.5 mm | 0 cm | |
| Dec. 29 |  Light snow showers | 11° /6° | 32.3 mm | 0.1 cm | |
| Dec. 30 |  Moderate or heavy snow showers | 10° /5° | 0.3 mm | 0.2 cm | |
| Dec. 31 | Mist | 12° /3° | 0 mm | 0 cm | |
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Important Notice
Our weather forecast for Chattanooga in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Chattanooga forecast closer to your planned date for the most up-to-date weather information.
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Chattanooga in December - FAQ
What are the expected maximum and minimum temperatures in Chattanooga during December?
Prepare for cooler days with highs just around 10° and colder nights, dipping below 3°.
How much rainfall should be expected in Chattanooga during December?
Significant rainfall exceeding 180.8 mm is expected in Chattanooga during December, occurring over more than 8 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Chattanooga in December 2025?
Chattanooga experiences an average snowfall of 0.965 cm during December, occurring over 3 days.
What are the typical wind conditions in Chattanooga during December?
The average wind speed in Chattanooga during December is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
Chattanooga snow forecast December 2025
Track daily snowfall levels and discover Chattanooga’s snowy potential this December ❄️
December rainfall patterns in Chattanooga
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