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