S
M
T
W
T
F
S
26
75°
46°
27
70°
52°
28
77°
52°
29
64°
54°
30
65°
49°
1
68°
51°
2
62°
49°
3
60°
46°
4
60°
48°
5
64°
48°
6
67°
48°
7
72°
50°
8
67°
51°
9
65°
50°
10
63°
48°
11
65°
49°
12
61°
46°
13
62°
50°
14
63°
47°
15
65°
48°
16
68°
52°
17
69°
53°
18
70°
54°
19
69°
53°
20
70°
54°
21
71°
55°
22
70°
55°
23
70°
54°
24
69°
54°
25
70°
55°
26
71°
54°
27
66°
55°
28
69°
54°
29
72°
56°
30
73°
55°
31
73°
53°
1
66°
51°
2
66°
51°
3
68°
52°
4
68°
52°
5
67°
53°
6
71°
56°
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 60° to 73°, with overnight lows between 46° and 56°. The average high for May is 67° with an average low of 52°. 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.
