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