If you plan to visit Chattanooga in December, the weather is typically alright, with an average high temperature of +52°F during the day and approximately 6 sunny days. Expect some rainy, though, as there are typically 11 rainy days in the month and around 120 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flightsin one click on Avionero.
Average weather
☀️
+52°F
Avg. max. temperature
-2°F
Min.
+75°F
Max.
120 mm
Total precipitation
72%
Avg. humidity
1 m/s
Avg. wind
6 ☀️
Sunny Days
11 ⛅️
Cloudy
11 🌦
Rainy
Our opinion: Chattanooga has OK weather in December.
Average temperature in Chattanooga in December
Here are the expected maximum, average and minimum temperatures in Chattanooga for December based on the historical data.
Last Year
Historical Data
Going from a maximum of +66°F during the day to a minimum of +27°F during the night, the temperature in December averages around +55°F.
The average maximum temperature goes up 9% by the end of the month, compared with the beginning of the month, from +54°F to +57°F.
Is Chattanooga warm or cold in December?
Chattanooga is typically chill in December.
Maximum temperatures go down compared to the previous month from +61°F to +52°F. The minimum temperature also goes down from +43°F to +37°F.
Pack a jumper and a jacket as there will be cooler temperatures.
December is one of the coolest months in Chattanooga, here is the comparison with other months:
Climate in Chattanooga in December
Chattanooga weather looks like this, on average, in December and the surrounding months.
November
December
January
Avg. temperature
+61°F
+52°F
+50°F
Min. temperature
+19°F
-2°F
-17°F
Max. temperature
+84°F
+75°F
+75°F
Rainfall
100 mm
120 mm
109 mm
Wind
1 m/s
1 m/s
2 m/s
Humidity
71%
72%
70%
Air pressure
1020 HPa
1020 HPa
1020 HPa
Sunny days
9
6
6
Cloudy days
10
11
11
Rainy days
10
11
10
Snowy days
0
1
2
December typically has worse weather conditions compared to November.It’s getting colder in December. From +61°F in the day, the average maximum temperature lowers to +52°F.Prepare for more rain. Average rainfall goes from 100 mm to 120 mm.Humidity rises from 71% to 72%.The average wind speed doesn’t change much during December, staying around 1 m/s.The days becoming less sunny, going from 9 sunny days in November to 6 in December.
January brings much the same weather, it remains ok.
Wind speed in Chattanooga in December based on historical data.
Last Year
Historical Data
The average wind speed is 2 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Chattanooga is gradually increasing during December, going from 2 m/s to 2 m/s over the course of the month.
Rain
Amount of rainfall in mm during December in Chattanooga based on historical data.
Last Year
Historical Data
Typically, there is a 29% chance of rain on an average day in December, with total rainfall of approximately 188 mm. The maximum amount of rainfall per day is around 48 mm, which is moderate rain.On average, there are about 9 rainy days during December, so prepare to bring an umbrella.
December is one of the rainiest months in Chattanooga, here is a comparison with other months, total mm:
Chattanooga wettest month is March, where a typical day has a 35% chance of precipitation and 132 mm of rainfall per day. October, on the other hand, is the driest month with a mere 32% chance of precipitation and 78 mm of rainfall per day.
How was the weather last December in Chattanooga?
This is the weather in Chattanooga in December 2023:
1 December
🌫️
+54°F
2 December
🌫️
+62°F
3 December
☁️
+65°F
4 December
☁️
+63°F
5 December
☀️
+57°F
6 December
☁️
+51°F
7 December
☀️
+57°F
8 December
☁️
+60°F
9 December
🌫️
+60°F
10 December
🌧️
+62°F
11 December
☀️
+48°F
12 December
☀️
+53°F
13 December
☁️
+57°F
14 December
☀️
+59°F
15 December
☀️
+58°F
16 December
☁️
+52°F
17 December
🌫️
+53°F
18 December
☁️
+54°F
19 December
☀️
+42°F
20 December
☀️
+46°F
21 December
☁️
+52°F
22 December
☁️
+59°F
23 December
☁️
+63°F
24 December
☁️
+65°F
25 December
🌧️
+61°F
26 December
🌧️
+59°F
27 December
☁️
+58°F
28 December
☀️
+48°F
29 December
☁️
+43°F
30 December
☁️
+43°F
31 December
☀️
+58°F
In December 2023 Chattanooga had 10 sunny days, 14 cloudy days, and 3 rainy days. The average maximum temperature was +55°F, with an absolute maximum of +66°F and a minimum of +41°F. The average humidity was 72%, with a maximum of 100% and a minimum of 27%. The average wind speed was 2 m/s, with a maximum of 8 m/s and a minimum of 0 m/s.
Are you planning a trip in December?
Climate Change Over the Years
This is how Chattanooga climate has changed over the last 43 years.
The climate in Chattanooga in December has not changed that much over the last 43 years.
The average temperature was the lowest in 1979 (+67°F) and the highest in 2016 (+75°F). The driest year was 2007 with only 654 mm of rainfall, and the wettest year was 2019 with 2402 mm.
FAQ
Frequently asked questions about the weather in Chattanooga in December:
Is December a good time to visit Chattanooga?
It’s always a good time to visit Chattanooga, but the weather is changeable in December, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.
Can you sunbathe in Chattanooga in December?
Not really, December is not the best time to sunbathe, unless you visit a local solarium.
Is Chattanooga rainy in December?
Chattanooga is often rainy in December. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.
Is it sunny in Chattanooga in December?
Usually, it’s not very sunny in Chattanooga in December, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.
For this page, we’ve looked at the typical weather in Chattanooga, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.