S
M
T
W
T
F
S
26
80°
44°
27
70°
56°
28
63°
48°
29
61°
39°
30
61°
36°
1
59°
35°
2
60°
37°
3
72°
42°
4
82°
48°
5
55°
45°
6
60°
39°
7
66°
46°
8
63°
51°
9
80°
51°
10
67°
43°
11
71°
47°
12
68°
46°
13
68°
48°
14
73°
54°
15
77°
53°
16
76°
56°
17
78°
59°
18
80°
60°
19
80°
58°
20
76°
53°
21
68°
49°
22
68°
51°
23
70°
51°
24
71°
54°
25
72°
53°
26
72°
52°
27
73°
53°
28
74°
52°
29
74°
54°
30
78°
57°
31
80°
59°
1
81°
61°
2
79°
59°
3
82°
62°
4
83°
63°
5
84°
63°
6
82°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Cuba
Cuba's May 2026 forecast shows daily high temperatures ranging from 63° to 84°, with overnight lows between 43° and 63°. The average high for May is 75° with an average low of 54°. 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 Cuba. See also: June | July | August.
