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