S
M
T
W
T
F
S
26
71°
47°
27
71°
50°
28
72°
58°
29
72°
58°
30
73°
56°
1
71°
56°
2
68°
55°
3
70°
56°
4
71°
57°
5
71°
58°
6
70°
59°
7
71°
59°
8
70°
58°
9
60°
60°
10
61°
60°
11
61°
60°
12
62°
60°
13
61°
60°
14
61°
60°
15
61°
60°
16
62°
61°
17
62°
61°
18
63°
62°
19
63°
62°
20
62°
62°
21
62°
62°
22
62°
61°
23
63°
61°
24
63°
62°
25
62°
61°
26
63°
62°
27
63°
62°
28
64°
62°
29
63°
63°
30
64°
63°
31
64°
63°
1
64°
63°
2
64°
63°
3
64°
63°
4
65°
64°
5
65°
64°
6
65°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Arenal d'en Castell
Arenal d'en Castell's May 2026 forecast shows daily high temperatures ranging from 60° to 73°, with overnight lows between 47° and 64°. The average high for May is 65° with an average low of 60°. 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 Arenal d'en Castell. See also: June | July | August.