S
M
T
W
T
F
S
29
43°
25°
30
44°
27°
1
46°
33°
2
46°
36°
3
45°
38°
4
51°
39°
5
48°
39°
6
49°
38°
7
48°
34°
8
44°
31°
9
42°
29°
10
43°
29°
11
57°
36°
12
60°
24°
13
59°
23°
14
42°
22°
15
41°
23°
16
44°
21°
17
40°
28°
18
47°
36°
19
51°
38°
20
56°
36°
21
57°
34°
22
56°
37°
23
55°
38°
24
59°
25°
25
59°
21°
26
50°
21°
27
39°
26°
28
48°
34°
29
52°
35°
30
53°
37°
31
57°
39°
1
56°
32°
2
58°
23°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Spencer
Spencer's December 2026 forecast shows daily high temperatures ranging from 39° to 60°, with overnight lows between 21° and 39°. The average high for December is 50° 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 Spencer. See also: January | February | March.
