S
M
T
W
T
F
S
26
52°
36°
27
71°
31°
28
63°
32°
29
64°
49°
30
67°
47°
1
65°
47°
2
60°
40°
3
60°
42°
4
70°
50°
5
80°
58°
6
72°
54°
7
66°
41°
8
61°
42°
9
63°
45°
10
69°
49°
11
68°
48°
12
69°
50°
13
68°
51°
14
70°
50°
15
67°
52°
16
68°
51°
17
68°
50°
18
69°
55°
19
76°
56°
20
74°
56°
21
71°
55°
22
76°
54°
23
72°
54°
24
76°
55°
25
71°
50°
26
70°
53°
27
70°
57°
28
74°
59°
29
78°
59°
30
77°
58°
31
77°
57°
1
74°
52°
2
70°
53°
3
70°
52°
4
72°
52°
5
72°
53°
6
73°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Buena
Buena's May 2026 forecast shows daily high temperatures ranging from 60° to 80°, with overnight lows between 40° and 59°. The average high for May is 70° with an average low of 52°. 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 Buena. See also: June | July | August.