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