S
M
T
W
T
F
S
26
65°
40°
27
70°
42°
28
75°
44°
29
64°
51°
30
56°
40°
1
51°
36°
2
51°
35°
3
52°
35°
4
59°
34°
5
71°
43°
6
53°
44°
7
57°
42°
8
54°
42°
9
66°
42°
10
61°
46°
11
54°
43°
12
55°
38°
13
56°
40°
14
53°
46°
15
65°
50°
16
69°
55°
17
66°
42°
18
62°
53°
19
72°
60°
20
75°
40°
21
59°
41°
22
63°
46°
23
66°
47°
24
68°
52°
25
66°
50°
26
66°
53°
27
70°
53°
28
68°
49°
29
65°
52°
30
66°
52°
31
68°
53°
1
65°
52°
2
65°
49°
3
66°
46°
4
66°
47°
5
67°
54°
6
71°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Saint-Barthélemy
Saint-Barthélemy's May 2026 forecast shows daily high temperatures ranging from 59° to 75°, with overnight lows between 40° and 60°. The average high for May is 67° with an average low of 50°. 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 Saint-Barthélemy. See also: June | July | August.
