S
M
T
W
T
F
S
29
54°
24°
30
52°
21°
1
43°
20°
2
39°
24°
3
40°
33°
4
46°
34°
5
49°
31°
6
50°
31°
7
47°
30°
8
46°
29°
9
45°
25°
10
41°
23°
11
37°
21°
12
43°
20°
13
39°
19°
14
35°
16°
15
34°
19°
16
35°
23°
17
Hist. Avg.
41°
25°
18
Hist. Avg.
41°
25°
19
Hist. Avg.
41°
24°
20
Hist. Avg.
41°
24°
21
Hist. Avg.
40°
24°
22
Hist. Avg.
40°
24°
23
Hist. Avg.
40°
24°
24
Hist. Avg.
40°
23°
25
Hist. Avg.
40°
23°
26
Hist. Avg.
39°
23°
27
Hist. Avg.
39°
23°
28
Hist. Avg.
39°
23°
29
Hist. Avg.
39°
22°
30
Hist. Avg.
38°
22°
31
Hist. Avg.
38°
22°
1
Hist. Avg.
38°
22°
2
Hist. Avg.
38°
22°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Spencer
Spencer's December 2026 forecast shows daily high temperatures ranging from 34° to 54°, with overnight lows between 16° and 34°. The average high for December is 43° with an average low of 25°. 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.
