S
M
T
W
T
F
S
26
70°
54°
27
75°
55°
28
75°
59°
29
66°
61°
30
66°
57°
1
66°
54°
2
66°
54°
3
N/A
4
53°
40°
5
52°
39°
6
58°
41°
7
57°
40°
8
56°
43°
9
51°
41°
10
54°
42°
11
58°
43°
12
56°
43°
13
57°
43°
14
59°
43°
15
61°
42°
16
59°
42°
17
58°
43°
18
59°
42°
19
60°
42°
20
62°
43°
21
64°
44°
22
64°
45°
23
62°
44°
24
63°
44°
25
64°
45°
26
62°
46°
27
62°
47°
28
63°
45°
29
67°
48°
30
68°
51°
31
69°
52°
1
69°
52°
2
68°
51°
3
66°
52°
4
66°
50°
5
67°
49°
6
66°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Sao Martinho de Antas
Sao Martinho de Antas's May 2026 forecast shows daily high temperatures ranging from 51° to 69°, with overnight lows between 39° and 52°. The average high for May is 61° with an average low of 45°. 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 Sao Martinho de Antas. See also: June | July | August.