S
M
T
W
T
F
S
26
93°
54°
27
96°
57°
28
98°
60°
29
97°
61°
30
98°
59°
1
91°
56°
2
94°
55°
3
93°
55°
4
93°
58°
5
95°
55°
6
95°
57°
7
94°
60°
8
90°
59°
9
97°
61°
10
97°
62°
11
93°
66°
12
88°
65°
13
92°
69°
14
92°
62°
15
95°
59°
16
99°
62°
17
100°
63°
18
97°
64°
19
98°
62°
20
99°
63°
21
98°
64°
22
100°
58°
23
101°
57°
24
101°
58°
25
96°
58°
26
96°
60°
27
97°
60°
28
97°
61°
29
99°
62°
30
99°
63°
31
100°
64°
1
100°
64°
2
99°
63°
3
100°
64°
4
100°
65°
5
99°
64°
6
95°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in El Arenal
El Arenal's May 2026 forecast shows daily high temperatures ranging from 88° to 101°, with overnight lows between 57° and 69°. The average high for May is 97° with an average low of 62°. 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 El Arenal. See also: June | July | August.