S
M
T
W
T
F
S
29
33°
23°
30
34°
22°
1
32°
15°
2
34°
13°
3
31°
18°
4
28°
25°
5
32°
26°
6
36°
30°
7
40°
24°
8
41°
21°
9
37°
16°
10
30°
15°
11
27°
16°
12
27°
13°
13
28°
17°
14
25°
20°
15
30°
19°
16
31°
21°
17
31°
22°
18
32°
23°
19
33°
25°
20
38°
21°
21
40°
16°
22
33°
19°
23
31°
22°
24
34°
20°
25
33°
18°
26
30°
9°
27
28°
7°
28
25°
6°
29
19°
1°
30
23°
0°
31
20°
4°
1
15°
9°
2
20°
8°
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 15° to 41°, with overnight lows between 0° and 30°. The average high for December is 30° with an average low of 17°. 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.
