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
66°
55°
9
66°
59°
10
70°
54°
11
72°
61°
12
70°
57°
13
68°
57°
14
77°
57°
15
63°
57°
16
66°
50°
17
68°
57°
18
68°
57°
19
70°
61°
20
73°
61°
21
77°
63°
22
77°
63°
23
75°
64°
24
79°
64°
25
79°
66°
26
84°
66°
27
85°
69°
28
89°
72°
29
86°
70°
30
82°
70°
31
82°
69°
1
83°
69°
2
82°
70°
3
81°
68°
4
80°
66°
5
79°
64°
6
80°
65°
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 79° to 89°, with overnight lows between 64° and 72°. The average high for May is 83° with an average low of 68°. 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.
