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