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