S
M
T
W
T
F
S
26
78°
47°
27
77°
46°
28
76°
41°
29
70°
42°
30
72°
45°
1
78°
44°
2
80°
46°
3
81°
47°
4
82°
49°
5
83°
49°
6
82°
48°
7
73°
48°
8
82°
47°
9
81°
48°
10
74°
46°
11
79°
48°
12
78°
50°
13
79°
49°
14
84°
50°
15
84°
51°
16
85°
52°
17
85°
51°
18
84°
50°
19
80°
51°
20
84°
52°
21
83°
52°
22
77°
45°
23
78°
48°
24
80°
52°
25
86°
53°
26
85°
45°
27
80°
46°
28
83°
52°
29
91°
53°
30
91°
52°
31
85°
51°
1
84°
52°
2
83°
49°
3
84°
48°
4
84°
50°
5
85°
52°
6
89°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Belen
Belen's May 2026 forecast shows daily high temperatures ranging from 70° to 91°, with overnight lows between 41° and 53°. The average high for May is 81° with an average low of 49°. 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 Belen. See also: June | July | August.