S
M
T
W
T
F
S
26
86°
74°
27
86°
76°
28
86°
76°
29
86°
74°
30
85°
67°
1
68°
55°
2
76°
52°
3
79°
50°
4
80°
55°
5
83°
69°
6
86°
76°
7
80°
62°
8
73°
63°
9
80°
70°
10
86°
69°
11
79°
66°
12
83°
63°
13
89°
63°
14
90°
66°
15
86°
70°
16
87°
75°
17
86°
77°
18
86°
74°
19
87°
74°
20
84°
70°
21
79°
69°
22
79°
70°
23
79°
69°
24
81°
72°
25
83°
70°
26
85°
69°
27
87°
71°
28
86°
69°
29
85°
68°
30
84°
71°
31
86°
70°
1
87°
72°
2
88°
71°
3
85°
71°
4
85°
70°
5
86°
72°
6
84°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Sulphur
Sulphur's May 2026 forecast shows daily high temperatures ranging from 79° to 88°, with overnight lows between 68° and 77°. The average high for May is 85° with an average low of 71°. 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 Sulphur. See also: June | July | August.
