S
M
T
W
T
F
S
29
40°
31°
30
44°
26°
1
40°
20°
2
36°
27°
3
37°
28°
4
45°
25°
5
38°
27°
6
42°
33°
7
44°
30°
8
47°
26°
9
44°
26°
10
39°
28°
11
41°
28°
12
43°
27°
13
42°
23°
14
36°
26°
15
36°
28°
16
44°
24°
17
44°
22°
18
36°
23°
19
38°
20°
20
36°
24°
21
37°
27°
22
42°
26°
23
41°
27°
24
41°
25°
25
40°
22°
26
37°
20°
27
32°
17°
28
32°
20°
29
34°
20°
30
34°
16°
31
33°
24°
1
39°
9°
2
44°
6°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Starlight
Starlight's December 2026 forecast shows daily high temperatures ranging from 32° to 47°, with overnight lows between 6° and 33°. The average high for December is 39° with an average low of 24°. 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 Starlight. See also: January | February | March.