S
M
T
W
T
F
S
29
60°
48°
30
65°
49°
1
62°
45°
2
62°
40°
3
62°
45°
4
67°
48°
5
64°
44°
6
58°
47°
7
65°
49°
8
68°
47°
9
67°
47°
10
66°
50°
11
66°
43°
12
62°
39°
13
55°
40°
14
58°
35°
15
54°
35°
16
54°
34°
17
53°
35°
18
59°
47°
19
66°
47°
20
66°
42°
21
54°
37°
22
54°
34°
23
62°
46°
24
63°
40°
25
52°
34°
26
54°
34°
27
53°
45°
28
58°
34°
29
67°
34°
30
53°
36°
31
54°
33°
1
54°
32°
2
52°
35°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Springfield
Springfield's December 2026 forecast shows daily high temperatures ranging from 52° to 68°, with overnight lows between 32° and 50°. The average high for December is 60° with an average low of 41°. 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 Springfield. See also: January | February | March.