S
M
T
W
T
F
S
26
72°
57°
27
72°
61°
28
70°
57°
29
70°
63°
30
72°
61°
1
70°
61°
2
66°
64°
3
66°
61°
4
66°
57°
5
68°
54°
6
68°
54°
7
66°
55°
8
68°
61°
9
68°
57°
10
74°
57°
11
77°
58°
12
72°
58°
13
72°
55°
14
69°
54°
15
66°
52°
16
71°
56°
17
70°
55°
18
68°
56°
19
67°
55°
20
71°
56°
21
70°
57°
22
67°
55°
23
66°
54°
24
67°
55°
25
68°
59°
26
68°
59°
27
69°
60°
28
70°
58°
29
67°
56°
30
69°
61°
31
70°
62°
1
69°
62°
2
70°
61°
3
73°
61°
4
72°
62°
5
71°
63°
6
72°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Barcelona
Barcelona's May 2026 forecast shows daily high temperatures ranging from 66° to 77°, with overnight lows between 52° and 63°. The average high for May is 70° with an average low of 58°. 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 Barcelona. See also: June | July | August.
