S
M
T
W
T
F
S
26
73°
68°
27
79°
65°
28
70°
64°
29
69°
64°
30
78°
65°
1
81°
65°
2
75°
63°
3
71°
56°
4
79°
56°
5
83°
68°
6
81°
67°
7
80°
72°
8
78°
65°
9
66°
55°
10
66°
54°
11
68°
52°
12
71°
51°
13
74°
49°
14
72°
51°
15
66°
62°
16
71°
62°
17
71°
61°
18
66°
61°
19
67°
60°
20
68°
54°
21
66°
50°
22
67°
48°
23
63°
58°
24
70°
56°
25
71°
58°
26
69°
59°
27
73°
58°
28
71°
58°
29
71°
61°
30
70°
61°
31
68°
62°
1
68°
62°
2
68°
59°
3
69°
63°
4
71°
63°
5
70°
60°
6
72°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Santinho
Santinho's May 2026 forecast shows daily high temperatures ranging from 68° to 72°, with overnight lows between 58° and 63°. The average high for May is 70° with an average low of 61°. 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 Santinho. See also: June | July | August.