S
M
T
W
T
F
S
29
69°
49°
30
73°
48°
1
74°
50°
2
74°
43°
3
72°
37°
4
63°
33°
5
57°
31°
6
54°
30°
7
55°
32°
8
56°
32°
9
53°
31°
10
53°
30°
11
54°
38°
12
56°
37°
13
57°
34°
14
59°
31°
15
55°
31°
16
55°
32°
17
56°
36°
18
58°
40°
19
59°
45°
20
65°
45°
21
66°
48°
22
66°
49°
23
70°
47°
24
71°
46°
25
68°
45°
26
63°
48°
27
66°
46°
28
67°
48°
29
66°
46°
30
68°
43°
31
67°
36°
1
63°
34°
2
56°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Meridian
Meridian's December 2026 forecast shows daily high temperatures ranging from 53° to 74°, with overnight lows between 30° and 50°. The average high for December is 62° with an average low of 40°. 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 Meridian. See also: January | February | March.
