Average data for 10 years
1 December
Sunday
+12°
+9°
2 December
Monday
+11°
+8°
3 December
Tuesday
+13°
+7°
4 December
Wednesday
+11°
+9°
5 December
Thursday
+10°
+7°
6 December
Friday
+8°
+5°
7 December
Saturday
+6°
+3°
8 December
Sunday
+9°
+5°
9 December
Monday
+8°
+4°
10 December
Tuesday
+10°
+5°
11 December
Wednesday
+7°
+5°
12 December
Thursday
+8°
+3°
13 December
Friday
+10°
+5°
14 December
Saturday
+9°
+6°
15 December
Sunday
+10°
+6°
16 December
Monday
+9°
+5°
17 December
Tuesday
+9°
+5°
18 December
Wednesday
+9°
+6°
19 December
Thursday
+10°
+6°
20 December
Friday
+12°
+7°
21 December
Saturday
+11°
+10°
22 December
Sunday
+9°
+7°
23 December
Monday
+9°
+4°
24 December
Tuesday
+9°
+6°
25 December
Wednesday
+10°
+6°
26 December
Thursday
+9°
+6°
27 December
Friday
+9°
+6°
28 December
Saturday
+9°
+6°
29 December
Sunday
+8°
+6°
30 December
Monday
+9°
+4°
31 December
Tuesday
+9°
+4°
December in Chattanooga is the cloudiest month of the year. In December, the weather in Chattanooga is typically cold. Average daily high temperature in December is about 9 degrees above zero. On average, Chattanooga has 12 rainy, 8 sunny, 7 partly cloudy, and 4 cloudy days in December. The rains are usually heavy. December as well as January and February is considered the most uncomfortable time to visit Chattanooga.