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