S
M
T
W
T
F
S
29
48°
36°
30
49°
36°
1
48°
35°
2
49°
34°
3
47°
34°
4
43°
33°
5
47°
33°
6
47°
32°
7
39°
29°
8
36°
28°
9
35°
27°
10
34°
27°
11
36°
31°
12
38°
30°
13
36°
31°
14
32°
22°
15
35°
23°
16
35°
25°
17
37°
29°
18
38°
28°
19
42°
23°
20
37°
19°
21
34°
20°
22
34°
22°
23
30°
24°
24
34°
23°
25
32°
22°
26
32°
14°
27
31°
13°
28
30°
9°
29
30°
10°
30
28°
21°
31
33°
22°
1
37°
16°
2
31°
17°
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 28° to 49°, with overnight lows between 9° and 36°. The average high for December is 37° with an average low of 25°. 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.
