S
M
T
W
T
F
S
29
43°
25°
30
43°
28°
1
46°
27°
2
45°
28°
3
47°
25°
4
44°
24°
5
43°
24°
6
43°
25°
7
45°
24°
8
37°
22°
9
34°
23°
10
35°
22°
11
35°
23°
12
36°
20°
13
36°
18°
14
36°
14°
15
34°
14°
16
33°
14°
17
34°
15°
18
33°
20°
19
35°
19°
20
38°
15°
21
35°
15°
22
33°
14°
23
31°
7°
24
33°
13°
25
28°
11°
26
32°
5°
27
29°
2°
28
24°
3°
29
27°
-1°
30
25°
6°
31
27°
16°
1
39°
10°
2
38°
6°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Diamond Point
Diamond Point's December 2026 forecast shows daily high temperatures ranging from 24° to 47°, with overnight lows between -1° and 28°. The average high for December is 36° with an average low of 16°. 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 Diamond Point. See also: January | February | March.