S
M
T
W
T
F
S
29
61°
34°
30
60°
27°
1
48°
24°
2
49°
26°
3
54°
35°
4
61°
32°
5
49°
27°
6
48°
28°
7
47°
22°
8
45°
22°
9
47°
27°
10
50°
32°
11
53°
30°
12
58°
33°
13
53°
31°
14
50°
23°
15
49°
27°
16
49°
25°
17
50°
21°
18
46°
20°
19
47°
21°
20
45°
21°
21
48°
27°
22
47°
22°
23
46°
24°
24
51°
20°
25
47°
22°
26
50°
25°
27
55°
25°
28
51°
20°
29
47°
22°
30
46°
18°
31
47°
19°
1
46°
22°
2
48°
30°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Sundown
Sundown's December 2026 forecast shows daily high temperatures ranging from 45° to 61°, with overnight lows between 18° and 35°. The average high for December is 50° 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 Sundown. See also: January | February | March.
