S
M
T
W
T
F
S
29
54°
40°
30
53°
39°
1
54°
38°
2
54°
40°
3
48°
41°
4
50°
40°
5
48°
40°
6
47°
37°
7
46°
40°
8
47°
40°
9
48°
39°
10
50°
36°
11
51°
40°
12
51°
40°
13
50°
38°
14
51°
38°
15
44°
37°
16
45°
35°
17
44°
35°
18
43°
33°
19
43°
31°
20
42°
30°
21
42°
34°
22
43°
33°
23
44°
31°
24
43°
30°
25
42°
28°
26
41°
28°
27
40°
29°
28
45°
32°
29
46°
33°
30
45°
32°
31
47°
33°
1
44°
31°
2
49°
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 40° to 54°, with overnight lows between 28° and 41°. The average high for December is 47° with an average low of 35°. 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.
