S
M
T
W
T
F
S
29
42°
34°
30
45°
31°
1
44°
30°
2
46°
34°
3
47°
27°
4
44°
33°
5
48°
33°
6
48°
36°
7
50°
28°
8
51°
25°
9
41°
29°
10
40°
30°
11
45°
34°
12
45°
34°
13
46°
32°
14
48°
35°
15
50°
26°
16
51°
23°
17
40°
24°
18
40°
22°
19
37°
24°
20
39°
30°
21
40°
31°
22
43°
32°
23
46°
29°
24
46°
27°
25
39°
22°
26
37°
21°
27
36°
25°
28
39°
25°
29
42°
21°
30
38°
24°
31
40°
12°
1
43°
11°
2
44°
11°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Kettering
Kettering's December 2026 forecast shows daily high temperatures ranging from 36° to 51°, with overnight lows between 11° and 36°. The average high for December is 43° with an average low of 27°. 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 Kettering. See also: January | February | March.
