S
M
T
W
T
F
S
29
88°
80°
30
89°
80°
1
90°
79°
2
89°
80°
3
89°
80°
4
88°
78°
5
89°
80°
6
89°
79°
7
90°
80°
8
90°
80°
9
91°
79°
10
90°
79°
11
89°
78°
12
90°
79°
13
89°
78°
14
90°
76°
15
91°
76°
16
91°
75°
17
90°
77°
18
91°
76°
19
91°
77°
20
90°
77°
21
90°
76°
22
89°
76°
23
91°
77°
24
91°
77°
25
88°
74°
26
88°
74°
27
91°
75°
28
90°
76°
29
89°
76°
30
90°
76°
31
90°
75°
1
89°
76°
2
90°
76°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Cartagena
Cartagena's December 2026 forecast shows daily high temperatures ranging from 88° to 91°, with overnight lows between 74° and 80°. The average high for December is 90° with an average low of 77°. 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 Cartagena. See also: January | February | March.
