S
M
T
W
T
F
S
26
75°
46°
27
70°
52°
28
77°
52°
29
61°
50°
30
64°
54°
1
68°
48°
2
63°
50°
3
55°
50°
4
55°
46°
5
59°
45°
6
59°
46°
7
63°
45°
8
59°
48°
9
63°
50°
10
61°
48°
11
63°
50°
12
59°
48°
13
61°
48°
14
55°
48°
15
59°
46°
16
59°
45°
17
61°
48°
18
59°
43°
19
64°
52°
20
77°
48°
21
77°
59°
22
81°
57°
23
81°
64°
24
88°
64°
25
84°
61°
26
81°
57°
27
88°
61°
28
79°
61°
29
72°
59°
30
72°
55°
31
78°
53°
1
79°
57°
2
70°
54°
3
67°
55°
4
65°
50°
5
67°
53°
6
75°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Santiago De Compostela
Santiago De Compostela's May 2026 forecast shows daily high temperatures ranging from 65° to 79°, with overnight lows between 50° and 57°. The average high for May is 72° with an average low of 54°. 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 Santiago De Compostela. See also: June | July | August.
