S
M
T
W
T
F
S
29
66°
36°
30
65°
34°
1
61°
43°
2
64°
40°
3
63°
45°
4
66°
47°
5
70°
48°
6
69°
44°
7
71°
37°
8
68°
33°
9
59°
34°
10
61°
45°
11
63°
47°
12
68°
48°
13
70°
50°
14
70°
49°
15
71°
40°
16
70°
32°
17
63°
35°
18
55°
38°
19
53°
31°
20
66°
28°
21
50°
30°
22
50°
34°
23
53°
32°
24
52°
30°
25
52°
43°
26
60°
45°
27
65°
46°
28
66°
41°
29
67°
32°
30
65°
35°
31
55°
32°
1
55°
29°
2
52°
29°
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 50° to 71°, with overnight lows between 28° and 50°. The average high for December is 62° with an average low of 38°. 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.
