S
M
T
W
T
F
S
29
56°
43°
30
64°
43°
1
63°
44°
2
66°
41°
3
58°
39°
4
56°
36°
5
61°
38°
6
62°
38°
7
52°
36°
8
51°
35°
9
51°
34°
10
49°
29°
11
49°
28°
12
50°
28°
13
54°
27°
14
52°
26°
15
51°
32°
16
50°
36°
17
57°
39°
18
60°
35°
19
59°
25°
20
52°
23°
21
48°
23°
22
47°
26°
23
49°
29°
24
48°
25°
25
48°
23°
26
47°
25°
27
48°
24°
28
49°
24°
29
50°
29°
30
53°
31°
31
59°
25°
1
51°
21°
2
47°
20°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Jackson
Jackson's December 2026 forecast shows daily high temperatures ranging from 47° to 66°, with overnight lows between 20° and 44°. The average high for December is 53° with an average low of 31°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how December weather will actually feel in Jackson. See also: January | February | March.
