S
M
T
W
T
F
S
26
77°
45°
27
69°
57°
28
62°
51°
29
60°
40°
30
61°
36°
1
56°
38°
2
60°
37°
3
69°
42°
4
78°
47°
5
58°
45°
6
61°
41°
7
65°
46°
8
63°
48°
9
79°
54°
10
63°
42°
11
67°
48°
12
70°
50°
13
74°
53°
14
75°
56°
15
77°
53°
16
68°
54°
17
71°
53°
18
74°
55°
19
77°
54°
20
70°
51°
21
68°
50°
22
68°
52°
23
70°
52°
24
71°
55°
25
72°
54°
26
72°
53°
27
73°
54°
28
74°
53°
29
74°
54°
30
79°
58°
31
80°
60°
1
81°
61°
2
79°
60°
3
83°
62°
4
84°
63°
5
84°
64°
6
82°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Havana
Havana's May 2026 forecast shows daily high temperatures ranging from 61° to 84°, with overnight lows between 41° and 64°. The average high for May is 73° 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 Havana. See also: June | July | August.