S
M
T
W
T
F
S
28
77°
55°
29
77°
57°
30
73°
59°
31
72°
55°
1
72°
54°
2
75°
54°
3
73°
57°
4
75°
55°
5
75°
52°
6
77°
55°
7
75°
55°
8
77°
57°
9
79°
57°
10
77°
59°
11
72°
57°
12
75°
55°
13
73°
55°
14
75°
55°
15
73°
57°
16
73°
54°
17
81°
55°
18
72°
57°
19
72°
55°
20
70°
55°
21
75°
55°
22
77°
57°
23
75°
59°
24
77°
59°
25
80°
57°
26
77°
61°
27
73°
57°
28
72°
55°
29
72°
54°
30
77°
55°
31
70°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
January Weather in Guatemala City
Guatemala City'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 Guatemala City. See also: February | March | April.