S
M
T
W
T
F
S
29
43°
34°
30
46°
35°
1
46°
34°
2
42°
34°
3
44°
33°
4
41°
28°
5
38°
24°
6
35°
28°
7
37°
32°
8
35°
31°
9
35°
32°
10
42°
33°
11
43°
32°
12
39°
28°
13
35°
26°
14
33°
24°
15
30°
26°
16
34°
30°
17
39°
31°
18
42°
30°
19
41°
30°
20
37°
27°
21
34°
24°
22
31°
22°
23
37°
30°
24
40°
29°
25
31°
17°
26
28°
16°
27
28°
23°
28
31°
26°
29
32°
21°
30
31°
18°
31
28°
19°
1
29°
13°
2
27°
11°
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 27° to 46°, with overnight lows between 11° and 35°. The average high for December is 36° with an average low of 27°. 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.
