S
M
T
W
T
F
S
29
49°
33°
30
43°
32°
1
44°
36°
2
47°
38°
3
47°
37°
4
48°
35°
5
44°
34°
6
38°
32°
7
37°
31°
8
40°
26°
9
32°
26°
10
32°
25°
11
33°
24°
12
36°
26°
13
38°
27°
14
38°
30°
15
37°
30°
16
41°
29°
17
42°
30°
18
42°
30°
19
39°
25°
20
34°
22°
21
29°
22°
22
35°
15°
23
32°
14°
24
28°
13°
25
27°
12°
26
26°
17°
27
27°
22°
28
40°
26°
29
36°
11°
30
40°
10°
31
26°
8°
1
23°
8°
2
22°
10°
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 22° to 49°, with overnight lows between 8° and 38°. The average high for December is 36° with an average low of 24°. 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.
