S
M
T
W
T
F
S
29
49°
29°
30
49°
30°
1
50°
30°
2
49°
30°
3
49°
39°
4
50°
39°
5
53°
41°
6
54°
38°
7
49°
36°
8
48°
34°
9
47°
32°
10
47°
29°
11
58°
42°
12
61°
36°
13
64°
28°
14
63°
27°
15
46°
28°
16
47°
25°
17
46°
28°
18
46°
38°
19
57°
39°
20
59°
39°
21
60°
37°
22
61°
36°
23
58°
39°
24
60°
36°
25
63°
29°
26
62°
25°
27
46°
27°
28
47°
35°
29
54°
37°
30
57°
37°
31
58°
40°
1
60°
41°
2
60°
35°
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 46° to 64°, with overnight lows between 25° and 42°. The average high for December is 54° with an average low of 34°. 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.
