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