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