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Weather in Chattanooga, Tennessee for December 2026

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.

    • Temperatures

  • In general, the average temperature in Chattanooga at the beginning of December is 8.6 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 12.1 °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
Patchy rain possible
7°
7
Mist
9°
8
Overcast
10°
9
Light rain shower
13°
10
Moderate or heavy rain with thunder
16°
11
Overcast
6°
12
Sunny
11°
13
Overcast
9°
14
Overcast
9°
15
Sunny
8°
16
Overcast
12°
17
Light drizzle
11°
18
Mist
12°
19
Sunny
10°
20
Overcast
9°
21
Overcast
9°
22
Cloudy
10°
23
Partly cloudy
12°
24
Mist
14°
25
Light rain shower
14°
26
Light rain shower
14°
27
Mist
13°
28
Mist
12°
29
Light snow showers
13°
30
Moderate or heavy snow showers
8°
31
Mist
11°

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° 7.2 mm 0 cm
Dec. 6 Patchy rain possible
Patchy rain possible
 7° /0° 0 mm 0 cm
Dec. 7 Mist
Mist
 9° /0° 0 mm 0 cm
Dec. 8 Overcast
Overcast
 10° /4° 1.3 mm 0 cm
Dec. 9 Light rain shower
Light rain shower
 13° /6° 18.4 mm 0 cm
Dec. 10 Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
 16° /5° 27.1 mm 0.4 cm
Dec. 11 Overcast
Overcast
 6° /0° 0 mm 0 cm
Dec. 12 Sunny
Sunny
 11° /2° 0 mm 0 cm
Dec. 13 Overcast
Overcast
 9° /0° 0 mm 0 cm
Dec. 14 Overcast
Overcast
 9° /-1° 0 mm 0 cm
Dec. 15 Sunny
Sunny
 8° /-2° 0.4 mm 0 cm
Dec. 16 Overcast
Overcast
 12° /3° 0.1 mm 0 cm
Dec. 17 Light drizzle
Light drizzle
 11° /7° 4.2 mm 0 cm
Dec. 18 Mist
Mist
 12° /5° 14.1 mm 0 cm
Dec. 19 Sunny
Sunny
 10° /2° 5.5 mm 0 cm
Dec. 20 Overcast
Overcast
 9° /0° 0 mm 0 cm
Dec. 21 Overcast
Overcast
 9° /2° 0 mm 0 cm
Dec. 22 Cloudy
Cloudy
 10° /2° 0 mm 0 cm
Dec. 23 Partly cloudy
Partly cloudy
 12° /6° 0 mm 0 cm
Dec. 24 Mist
Mist
 14° /7° 0 mm 0 cm
Dec. 25 Light rain shower
Light rain shower
 14° /9° 4.2 mm 0 cm
Dec. 26 Light rain shower
Light rain shower
 14° /8° 0.4 mm 0 cm
Dec. 27 Mist
Mist
 13° /8° 18.9 mm 0 cm
Dec. 28 Mist
Mist
 12° /7° 17 mm 0 cm
Dec. 29 Light snow showers
Light snow showers
 13° /4° 24.4 mm 0.1 cm
Dec. 30 Moderate or heavy snow showers
Moderate or heavy snow showers
 8° /2° 0.2 mm 0.1 cm
Dec. 31 Mist
Mist
 11° /2° 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.
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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 2026?

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 2026

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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Location coordinates 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.

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