S
M
T
W
T
F
S
29
35°
25°
30
45°
21°
1
45°
18°
2
40°
26°
3
42°
19°
4
43°
17°
5
31°
15°
6
30°
15°
7
29°
16°
8
30°
20°
9
33°
26°
10
36°
26°
11
40°
22°
12
35°
22°
13
32°
20°
14
32°
17°
15
33°
11°
16
28°
9°
17
25°
11°
18
25°
21°
19
32°
21°
20
33°
15°
21
37°
14°
22
26°
23°
23
37°
24°
24
37°
20°
25
36°
19°
26
36°
19°
27
34°
20°
28
35°
20°
29
35°
21°
30
34°
23°
31
38°
21°
1
39°
18°
2
36°
17°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Savoy
Savoy's December 2026 forecast shows daily high temperatures ranging from 25° to 45°, with overnight lows between 9° and 26°. The average high for December is 35° with an average low of 19°. 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 Savoy. See also: January | February | March.