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