S
M
T
W
T
F
S
29
40°
28°
30
50°
24°
1
50°
22°
2
46°
31°
3
47°
22°
4
48°
21°
5
36°
20°
6
35°
20°
7
34°
21°
8
35°
24°
9
37°
30°
10
44°
30°
11
46°
25°
12
41°
24°
13
36°
24°
14
36°
21°
15
37°
17°
16
33°
15°
17
31°
17°
18
30°
26°
19
38°
26°
20
37°
20°
21
43°
20°
22
32°
29°
23
44°
31°
24
44°
26°
25
43°
25°
26
42°
25°
27
39°
26°
28
41°
27°
29
42°
27°
30
42°
29°
31
45°
27°
1
45°
25°
2
44°
23°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Southbridge
Southbridge's December 2026 forecast shows daily high temperatures ranging from 30° to 50°, with overnight lows between 15° and 31°. The average high for December is 40° with an average low of 24°. 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 Southbridge. See also: January | February | March.
