S
M
T
W
T
F
S
29
59°
46°
30
67°
46°
1
66°
47°
2
66°
46°
3
63°
41°
4
54°
35°
5
61°
40°
6
62°
43°
7
60°
40°
8
54°
39°
9
53°
37°
10
51°
33°
11
51°
30°
12
52°
31°
13
55°
31°
14
53°
29°
15
52°
35°
16
52°
39°
17
60°
40°
18
59°
41°
19
58°
30°
20
57°
25°
21
52°
25°
22
48°
29°
23
50°
32°
24
53°
27°
25
54°
25°
26
48°
27°
27
50°
26°
28
49°
27°
29
49°
31°
30
51°
36°
31
62°
27°
1
61°
24°
2
48°
22°
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 48° to 67°, with overnight lows between 22° and 47°. The average high for December is 55° with an average low of 34°. 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.
