S
M
T
W
T
F
S
29
69°
51°
30
67°
53°
1
66°
49°
2
64°
42°
3
56°
39°
4
58°
43°
5
62°
47°
6
62°
42°
7
54°
39°
8
54°
39°
9
55°
38°
10
54°
37°
11
55°
37°
12
56°
38°
13
56°
40°
14
57°
44°
15
58°
45°
16
66°
41°
17
65°
43°
18
61°
37°
19
57°
34°
20
53°
34°
21
52°
36°
22
54°
37°
23
56°
36°
24
54°
35°
25
53°
35°
26
53°
34°
27
54°
35°
28
54°
36°
29
55°
41°
30
58°
36°
31
60°
34°
1
52°
33°
2
51°
35°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Diamondhead
Diamondhead's December 2026 forecast shows daily high temperatures ranging from 51° to 69°, with overnight lows between 33° and 53°. The average high for December is 57° with an average low of 39°. 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 Diamondhead. See also: January | February | March.
