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