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Weather in Chattanooga, Tennessee for December 2026

Your guide to Chattanooga weather in December - trends and predictions

    Snow Forecast ❄️

  • Snowfall in Chattanooga during December is quite rare, with fewer than 2 snowy days on average.

    • Temperatures

  • In general, the average temperature in Chattanooga at the beginning of December is 8.2 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 11.8 °C by the end of December.

    • Rain 🌧️

  • Chattanooga experiences moderate rainfall in December, with an average of 6 rainy days and a total precipitation of 172.3 mm.

    • More

  • Is December a good time to visit Chattanooga? check out the best time to travel to Chattanooga page.

  • ✨ Is December a good time to visit Chattanooga? – Ask the AI Weatherman

Average dry days
24
Dry days
Average rainy days
6
Rainy days
Average snowy days
1
Snow days
Average temperatures
10°/4°
Temperatures
Average wind speed
13 km/h
Avg max wind
Average humidity
73 %
Avg humidity

Chattanooga Weather December

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

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 Light rain
Light rain
 9° /1° 4.1 mm 0 cm
Dec. 2 Moderate rain
Moderate rain
 9° /5° 24.5 mm 0 cm
Dec. 3 Patchy rain possible
Patchy rain possible
 9° /1° 0.4 mm 0 cm
Dec. 4 Fog
Fog
 8° /2° 0 mm 0 cm
Dec. 5 Light rain
Light rain
 8° /2° 7.2 mm 0 cm
Dec. 6 Patchy rain possible
Patchy rain possible
 7° /1° 0 mm 0 cm
Dec. 7 Mist
Mist
 8° /1° 0 mm 0 cm
Dec. 8 Patchy rain possible
Patchy rain possible
 9° /5° 1.3 mm 0 cm
Dec. 9 Moderate rain
Moderate rain
 13° /6° 18.4 mm 0 cm
Dec. 10 Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
 15° /5° 27.1 mm 0.4 cm
Dec. 11 Overcast
Overcast
 6° /0° 0 mm 0 cm
Dec. 12 Sunny
Sunny
 10° /2° 0 mm 0 cm
Dec. 13 Overcast
Overcast
 9° /1° 0 mm 0 cm
Dec. 14 Overcast
Overcast
 9° /0° 0 mm 0 cm
Dec. 15 Sunny
Sunny
 8° /-1° 0.4 mm 0 cm
Dec. 16 Overcast
Overcast
 12° /3° 0.1 mm 0 cm
Dec. 17 Light rain
Light rain
 11° /8° 4.2 mm 0 cm
Dec. 18 Moderate rain
Moderate rain
 11° /6° 14.1 mm 0 cm
Dec. 19 Light rain
Light rain
 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
 9° /2° 0 mm 0 cm
Dec. 23 Partly cloudy
Partly cloudy
 11° /6° 0 mm 0 cm
Dec. 24 Mist
Mist
 14° /8° 0 mm 0 cm
Dec. 25 Light rain
Light rain
 14° /10° 4.2 mm 0 cm
Dec. 26 Light rain shower
Light rain shower
 14° /9° 0.4 mm 0 cm
Dec. 27 Moderate rain
Moderate rain
 13° /8° 18.9 mm 0 cm
Dec. 28 Moderate rain
Moderate rain
 11° /8° 17 mm 0 cm
Dec. 29 Moderate rain
Moderate rain
 13° /5° 24.4 mm 0.1 cm
Dec. 30 Patchy rain possible
Patchy rain possible
 7° /3° 0.2 mm 0.1 cm
Dec. 31 Mist
Mist
 10° /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.
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 4°.

How much rainfall should be expected in Chattanooga during December?
Significant rainfall exceeding 172.3 mm is expected in Chattanooga during December, occurring over more than 6 days. Preparing for wet conditions is recommended in your planning.

Will it snow in Chattanooga in December 2026?
Chattanooga typically sees 0.2 cm of snowfall during December.

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 1 snowy days during December, with approximately 0.2 cm of total snowfall.

December rainfall patterns in Chattanooga

Explore the daily rainfall trends and prepare for Chattanoogas December weather 💧
Typically, Chattanooga has 6 rainy days in December with a total of 172.3 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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