S
M
T
W
T
F
S
26
81°
69°
27
84°
74°
28
83°
73°
29
84°
70°
30
85°
71°
1
77°
62°
2
73°
57°
3
74°
51°
4
76°
49°
5
81°
58°
6
85°
74°
7
82°
73°
8
83°
71°
9
80°
68°
10
80°
66°
11
76°
69°
12
81°
68°
13
84°
67°
14
87°
63°
15
85°
64°
16
83°
68°
17
85°
75°
18
85°
76°
19
85°
78°
20
85°
72°
21
83°
73°
22
87°
71°
23
79°
69°
24
79°
69°
25
78°
69°
26
85°
74°
27
84°
73°
28
80°
72°
29
84°
74°
30
87°
75°
31
85°
74°
1
82°
75°
2
80°
73°
3
81°
74°
4
82°
72°
5
83°
71°
6
84°
74°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Galliano
Galliano's May 2026 forecast shows daily high temperatures ranging from 80° to 87°, with overnight lows between 71° and 75°. The average high for May is 83° with an average low of 73°. 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 Galliano. See also: June | July | August.
