S
M
T
W
T
F
S
29
44°
28°
30
41°
26°
1
34°
25°
2
32°
18°
3
31°
24°
4
35°
23°
5
34°
24°
6
31°
16°
7
26°
9°
8
25°
10°
9
26°
11°
10
32°
20°
11
34°
20°
12
36°
21°
13
33°
21°
14
26°
21°
15
35°
16°
16
34°
18°
17
32°
17°
18
31°
14°
19
30°
11°
20
27°
5°
21
25°
15°
22
30°
14°
23
32°
16°
24
30°
11°
25
32°
7°
26
28°
16°
27
27°
16°
28
31°
12°
29
28°
7°
30
27°
11°
31
26°
2°
1
29°
-2°
2
19°
2°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Wadena
Wadena's December 2026 forecast shows daily high temperatures ranging from 19° to 44°, with overnight lows between -2° and 28°. The average high for December is 31° with an average low of 15°. 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 Wadena. See also: January | February | March.