S
M
T
W
T
F
S
29
45°
19°
30
42°
16°
1
32°
19°
2
33°
22°
3
40°
25°
4
40°
27°
5
41°
27°
6
41°
26°
7
40°
25°
8
40°
22°
9
36°
21°
10
36°
15°
11
32°
11°
12
27°
15°
13
29°
12°
14
28°
13°
15
25°
12°
16
27°
8°
17
25°
11°
18
23°
17°
19
31°
20°
20
34°
22°
21
36°
21°
22
34°
13°
23
34°
8°
24
27°
8°
25
21°
12°
26
22°
16°
27
26°
16°
28
34°
8°
29
28°
9°
30
22°
12°
31
25°
16°
1
27°
15°
2
31°
14°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Beaver Dam
Beaver Dam's December 2026 forecast shows daily high temperatures ranging from 21° to 45°, with overnight lows between 8° and 27°. The average high for December is 32° 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 Beaver Dam. See also: January | February | March.
