S
M
T
W
T
F
S
26
99°
70°
27
99°
72°
28
88°
72°
29
95°
73°
30
88°
72°
1
86°
72°
2
91°
70°
3
79°
70°
4
81°
68°
5
88°
68°
6
84°
66°
7
90°
73°
8
93°
72°
9
93°
73°
10
84°
72°
11
73°
68°
12
81°
66°
13
88°
64°
14
79°
66°
15
82°
72°
16
82°
70°
17
88°
72°
18
82°
70°
19
77°
73°
20
75°
66°
21
77°
66°
22
77°
66°
23
77°
68°
24
84°
70°
25
81°
68°
26
79°
66°
27
82°
68°
28
79°
63°
29
78°
62°
30
77°
65°
31
80°
63°
1
78°
62°
2
79°
63°
3
79°
63°
4
81°
64°
5
79°
63°
6
77°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Macaé
Macaé's May 2026 forecast shows daily high temperatures ranging from 77° to 82°, with overnight lows between 62° and 68°. The average high for May is 79° with an average low of 64°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Macaé. See also: June | July | August.