S
M
T
W
T
F
S
27
68°
52°
28
71°
54°
29
68°
55°
30
70°
58°
1
73°
58°
2
70°
60°
3
75°
60°
4
70°
61°
5
71°
57°
6
64°
52°
7
66°
50°
8
68°
53°
9
66°
58°
10
69°
60°
11
71°
57°
12
68°
55°
13
70°
56°
14
71°
56°
15
75°
57°
16
75°
61°
17
73°
59°
18
72°
59°
19
75°
61°
20
78°
60°
21
74°
61°
22
68°
60°
23
72°
58°
24
72°
58°
25
73°
58°
26
74°
62°
27
74°
62°
28
74°
62°
29
75°
64°
30
79°
66°
31
79°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Barcelona
Barcelona's May 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for May is ° with an average low of °. 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.
