S
M
T
W
T
F
S
26
85°
77°
27
85°
78°
28
86°
77°
29
86°
76°
30
86°
76°
1
87°
77°
2
86°
76°
3
88°
76°
4
87°
77°
5
84°
72°
6
83°
72°
7
83°
73°
8
83°
72°
9
84°
74°
10
84°
74°
11
84°
72°
12
84°
74°
13
85°
74°
14
84°
75°
15
86°
75°
16
85°
74°
17
85°
75°
18
86°
75°
19
84°
73°
20
85°
74°
21
84°
73°
22
84°
73°
23
85°
74°
24
84°
74°
25
84°
73°
26
85°
74°
27
84°
73°
28
84°
74°
29
85°
74°
30
84°
74°
31
85°
75°
1
85°
75°
2
86°
74°
3
85°
75°
4
86°
75°
5
88°
73°
6
88°
73°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Gustavia
Gustavia's May 2026 forecast shows daily high temperatures ranging from 83° to 88°, with overnight lows between 72° and 78°. The average high for May is 85° with an average low of 74°. 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 Gustavia. See also: June | July | August.
