S
M
T
W
T
F
S
28
95°
75°
29
95°
77°
30
95°
77°
31
97°
77°
1
97°
75°
2
95°
77°
3
93°
75°
4
93°
77°
5
90°
75°
6
95°
75°
7
95°
67°
8
95°
75°
9
93°
75°
10
93°
77°
11
94°
76°
12
93°
77°
13
94°
73°
14
95°
75°
15
95°
76°
16
94°
75°
17
97°
79°
18
97°
77°
19
95°
77°
20
96°
75°
21
96°
75°
22
98°
74°
23
97°
75°
24
97°
75°
25
98°
75°
26
97°
77°
27
95°
77°
28
95°
75°
29
95°
75°
30
95°
75°
31
95°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
January Weather in Cartagena
Cartagena's January 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for January is ° with an average low of °. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how January weather will actually feel in Cartagena. See also: February | March | April.