S
M
T
W
T
F
S
29
42°
25°
30
43°
28°
1
43°
33°
2
48°
35°
3
44°
37°
4
53°
38°
5
47°
38°
6
49°
37°
7
46°
35°
8
43°
33°
9
41°
30°
10
41°
30°
11
55°
36°
12
57°
27°
13
57°
24°
14
40°
22°
15
39°
25°
16
42°
22°
17
39°
28°
18
44°
35°
19
49°
37°
20
53°
36°
21
54°
34°
22
53°
36°
23
52°
38°
24
56°
30°
25
56°
23°
26
52°
22°
27
38°
28°
28
44°
33°
29
50°
34°
30
50°
37°
31
53°
38°
1
54°
30°
2
55°
24°
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 38° to 57°, with overnight lows between 22° and 38°. The average high for December is 48° with an average low of 31°. 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.
