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Weather in Chattanooga, Tennessee for December 2025

Your guide to Chattanooga weather in December - trends and predictions

    Snow Forecast ❄️

  • 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.

    • Temperatures

  • The forecast for the next days in Chattanooga predicts temperatures to be around 10 °F, close to the historical average.

  • In general, the average temperature in Chattanooga at the beginning of December is 9.1 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 11 °F by the end of December.

    • Rain 🌧️

  • Chattanooga experiences moderate rainfall in December, with an average of 8 rainy days and a total precipitation of 180.8 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
20
Dry days
Average rainy days
8
Rainy days
Average snowy days
3
Snow days
Average temperatures
10°/3°
Temperatures
Average wind speed
13 km/h
Avg max wind
Average humidity
72 %
Avg humidity

Chattanooga Weather December

Move between months or click on a day
November
January
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Overcast
10°
2
Light rain shower
9°
3
Patchy rain possible
9°
4
Fog
8°
5
Mist
8°
6
Partly cloudy
13°
7
Overcast
7°
8
Overcast
5°
9
Sunny
9°
10
Overcast
12°
11
Patchy rain possible
16°
12
Patchy rain possible
2°
13
Sunny
4°
14
Partly cloudy
11°
15
Partly cloudy
9°
16
Sunny
7°
17
Sunny
12°
18
Cloudy
16°
19
Patchy rain possible
16°
20
Overcast
7°
21
Overcast
7°
22
Cloudy
9°
23
Partly cloudy
10°
24
Mist
13°
25
Light rain shower
13°
26
Light rain shower
12°
27
Mist
10°
28
Mist
9°
29
Light snow showers
11°
30
Moderate or heavy snow showers
10°
31
Mist
12°

Temperatures trend during December in Chattanooga

See the weather trend as well as the moving average line

December weather in Chattanooga day by day

Click on a date for more information
November January
Date Weather Temperatures Rain Snow More
Dec. 1 Overcast
Overcast
 10° /1° 4.1 mm 0 cm
Dec. 2 Light rain shower
Light rain shower
 9° /5° 24.5 mm 0 cm
Dec. 3 Patchy rain possible
Patchy rain possible
 9° /0° 0.4 mm 0 cm
Dec. 4 Fog
Fog
 8° /1° 0 mm 0 cm
Dec. 5 Mist
Mist
 8° /1° 0 mm 0 cm
Dec. 6 Partly cloudy
Partly cloudy
 13° /2° 0 mm 0 cm
Dec. 7 Overcast
Overcast
 7° /0° 0 mm 0 cm
Dec. 8 Overcast
Overcast
 5° /2° 0 mm 0 cm
Dec. 9 Sunny
Sunny
 9° /-2° 0 mm 0 cm
Dec. 10 Overcast
Overcast
 12° /1° 0 mm 0 cm
Dec. 11 Patchy rain possible
Patchy rain possible
 16° /5° 0.6 mm 0 cm
Dec. 12 Patchy rain possible
Patchy rain possible
 2° /-5° 0.9 mm 0 cm
Dec. 13 Sunny
Sunny
 4° /-6° 0 mm 0 cm
Dec. 14 Partly cloudy
Partly cloudy
 11° /-1° 0 mm 0 cm
Dec. 15 Partly cloudy
Partly cloudy
 9° /-1° 0 mm 0 cm
Dec. 16 Sunny
Sunny
 7° /-4° 0 mm 0 cm
Dec. 17 Sunny
Sunny
 12° /-2° 0 mm 0 cm
Dec. 18 Cloudy
Cloudy
 16° /5° 0 mm 0 cm
Dec. 19 Patchy rain possible
Patchy rain possible
 16° /4° 0.3 mm 0 cm
Dec. 20 Overcast
Overcast
 7° /-1° 0 mm 0 cm
Dec. 21 Overcast
Overcast
 7° /0° 0 mm 0 cm
Dec. 22 Cloudy
Cloudy
 9° /1° 0 mm 0 cm
Dec. 23 Partly cloudy
Partly cloudy
 10° /4° 0 mm 0 cm
Dec. 24 Mist
Mist
 13° /4° 0 mm 0 cm
Dec. 25 Light rain shower
Light rain shower
 13° /8° 6.2 mm 0 cm
Dec. 26 Light rain shower
Light rain shower
 12° /6° 0.6 mm 0 cm
Dec. 27 Mist
Mist
 10° /4° 28.3 mm 0 cm
Dec. 28 Mist
Mist
 9° /4° 25.5 mm 0 cm
Dec. 29 Light snow showers
Light snow showers
 11° /6° 32.3 mm 0.1 cm
Dec. 30 Moderate or heavy snow showers
Moderate or heavy snow showers
 10° /5° 0.3 mm 0.2 cm
Dec. 31 Mist
Mist
 12° /3° 0 mm 0 cm
Next
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.
Change Month
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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 ❄️
On average, Chattanooga sees 3 snowy days during December, with approximately 1 cm of total snowfall.

December rainfall patterns in Chattanooga

Explore the daily rainfall trends and prepare for Chattanoogas December weather 💧
Typically, Chattanooga has 8 rainy days in December with a total of 180.8 mm of rainfall.

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Get accurate weather forecasts for Chattanooga, located at latitude 35.046 and longitude -85.31. Stay updated with localized weather information tailored for Chattanooga.

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