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