S
M
T
W
T
F
S
29
32°
23°
30
33°
24°
1
33°
25°
2
36°
25°
3
36°
24°
4
35°
25°
5
38°
24°
6
36°
24°
7
38°
23°
8
33°
22°
9
32°
22°
10
34°
21°
11
28°
12°
12
27°
10°
13
24°
12°
14
27°
15°
15
33°
16°
16
30°
17°
17
35°
18°
18
32°
17°
19
32°
15°
20
33°
16°
21
32°
16°
22
32°
14°
23
33°
7°
24
29°
3°
25
18°
11°
26
24°
12°
27
23°
15°
28
27°
9°
29
30°
13°
30
26°
13°
31
28°
12°
1
27°
0°
2
28°
-2°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Milbank
Milbank's December 2026 forecast shows daily high temperatures ranging from 18° to 38°, with overnight lows between -2° and 25°. The average high for December is 31° 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 Milbank. See also: January | February | March.