S
M
T
W
T
F
S
29
45°
37°
30
48°
34°
1
54°
28°
2
46°
37°
3
46°
31°
4
55°
28°
5
46°
32°
6
49°
40°
7
50°
36°
8
56°
29°
9
52°
32°
10
43°
34°
11
45°
37°
12
50°
36°
13
53°
35°
14
47°
36°
15
49°
35°
16
54°
27°
17
54°
26°
18
42°
24°
19
44°
24°
20
42°
33°
21
45°
34°
22
52°
36°
23
50°
36°
24
51°
34°
25
50°
29°
26
46°
24°
27
41°
28°
28
43°
28°
29
46°
24°
30
43°
24°
31
42°
34°
1
51°
17°
2
54°
15°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Sterling
Sterling's December 2026 forecast shows daily high temperatures ranging from 41° to 56°, with overnight lows between 15° and 40°. The average high for December is 48° with an average low of 31°. 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 Sterling. See also: January | February | March.
