S
M
T
W
T
F
S
26
90°
74°
27
90°
74°
28
89°
75°
29
90°
74°
30
90°
74°
31
91°
73°
1
91°
75°
2
89°
74°
3
91°
75°
4
92°
74°
5
91°
75°
6
91°
75°
7
92°
74°
8
91°
74°
9
91°
75°
10
92°
74°
11
91°
75°
12
91°
75°
13
92°
74°
14
91°
74°
15
89°
75°
16
92°
74°
17
91°
75°
18
92°
76°
19
91°
74°
20
92°
75°
21
91°
75°
22
91°
74°
23
92°
75°
24
91°
76°
25
92°
75°
26
91°
75°
27
91°
74°
28
90°
75°
29
90°
73°
30
91°
74°
31
90°
73°
1
91°
76°
2
90°
74°
3
91°
73°
4
90°
73°
5
91°
74°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Maunabo
Maunabo's August 2026 forecast shows daily high temperatures ranging from 89° to 92°, with overnight lows between 73° and 76°. The average high for August is 91° with an average low of 74°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Maunabo. See also: September | October | November.