S
M
T
W
T
F
S
29
46°
35°
30
47°
36°
1
46°
35°
2
46°
35°
3
47°
33°
4
43°
32°
5
45°
32°
6
46°
33°
7
43°
32°
8
37°
30°
9
36°
31°
10
37°
31°
11
37°
32°
12
38°
30°
13
36°
31°
14
35°
25°
15
35°
24°
16
34°
25°
17
35°
29°
18
36°
30°
19
41°
28°
20
39°
21°
21
37°
24°
22
34°
25°
23
32°
22°
24
35°
23°
25
30°
21°
26
30°
16°
27
29°
12°
28
27°
10°
29
29°
8°
30
28°
20°
31
30°
23°
1
37°
17°
2
31°
16°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Stanley
Stanley's December 2026 forecast shows daily high temperatures ranging from 27° to 47°, with overnight lows between 8° and 36°. The average high for December is 37° with an average low of 26°. 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 Stanley. See also: January | February | March.