S
M
T
W
T
F
S
26
86°
73°
27
86°
72°
28
84°
75°
29
86°
77°
30
82°
77°
1
86°
77°
2
86°
77°
3
84°
75°
4
86°
73°
5
86°
77°
6
86°
79°
7
86°
73°
8
86°
75°
9
84°
77°
10
86°
75°
11
84°
73°
12
86°
77°
13
84°
75°
14
86°
73°
15
84°
70°
16
86°
72°
17
86°
72°
18
84°
75°
19
84°
77°
20
86°
75°
21
81°
73°
22
86°
72°
23
84°
77°
24
84°
75°
25
82°
75°
26
87°
76°
27
86°
74°
28
85°
75°
29
84°
77°
30
83°
76°
31
85°
75°
1
83°
74°
2
84°
77°
3
85°
78°
4
84°
76°
5
83°
75°
6
83°
75°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Siqueira Campos
Siqueira Campos's May 2026 forecast shows daily high temperatures ranging from 83° to 87°, with overnight lows between 74° and 78°. The average high for May is 84° with an average low of 76°. 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 Siqueira Campos. See also: June | July | August.