S
M
T
W
T
F
S
29
36°
29°
30
34°
28°
1
36°
28°
2
35°
29°
3
37°
30°
4
38°
30°
5
38°
31°
6
35°
33°
7
36°
35°
8
41°
36°
9
39°
35°
10
40°
33°
11
40°
33°
12
39°
32°
13
36°
28°
14
32°
27°
15
31°
27°
16
31°
26°
17
32°
26°
18
32°
27°
19
33°
29°
20
34°
32°
21
39°
34°
22
40°
36°
23
42°
35°
24
40°
30°
25
31°
30°
26
34°
33°
27
36°
34°
28
36°
35°
29
39°
34°
30
39°
34°
31
38°
33°
1
37°
34°
2
37°
35°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Hallenberg
Hallenberg's December 2026 forecast shows daily high temperatures ranging from 31° to 42°, with overnight lows between 26° and 36°. The average high for December is 36° 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 Hallenberg. See also: January | February | March.