S
M
T
W
T
F
S
29
47°
35°
30
49°
34°
1
48°
33°
2
48°
32°
3
40°
32°
4
44°
31°
5
45°
32°
6
44°
30°
7
37°
26°
8
35°
22°
9
32°
21°
10
35°
25°
11
37°
31°
12
40°
28°
13
40°
27°
14
33°
19°
15
33°
23°
16
36°
28°
17
39°
27°
18
37°
24°
19
36°
19°
20
34°
17°
21
30°
16°
22
29°
21°
23
32°
25°
24
34°
23°
25
33°
15°
26
32°
11°
27
28°
11°
28
27°
12°
29
27°
12°
30
28°
23°
31
31°
17°
1
33°
12°
2
28°
8°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Spencerville
Spencerville's December 2026 forecast shows daily high temperatures ranging from 27° to 49°, with overnight lows between 8° and 35°. The average high for December is 36° with an average low of 23°. 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 Spencerville. See also: January | February | March.
