S
M
T
W
T
F
S
29
46°
29°
30
50°
33°
1
51°
29°
2
52°
24°
3
43°
30°
4
48°
36°
5
53°
42°
6
57°
36°
7
59°
32°
8
55°
32°
9
49°
36°
10
52°
37°
11
53°
36°
12
54°
30°
13
46°
22°
14
41°
22°
15
38°
29°
16
43°
31°
17
46°
35°
18
45°
37°
19
50°
39°
20
57°
33°
21
57°
28°
22
45°
31°
23
45°
28°
24
43°
33°
25
45°
32°
26
45°
21°
27
42°
19°
28
40°
25°
29
39°
16°
30
37°
14°
31
35°
17°
1
33°
22°
2
Hist. Avg.
44°
25°
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 33° to 59°, with overnight lows between 14° and 42°. The average high for December is 47° with an average low of 29°. 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.
