S
M
T
W
T
F
S
26
60°
49°
27
71°
52°
28
65°
41°
29
65°
39°
30
60°
45°
1
70°
43°
2
71°
44°
3
87°
48°
4
87°
55°
5
66°
44°
6
53°
38°
7
79°
52°
8
78°
52°
9
82°
51°
10
74°
46°
11
85°
56°
12
94°
61°
13
87°
56°
14
83°
55°
15
84°
56°
16
86°
55°
17
82°
55°
18
83°
56°
19
78°
53°
20
74°
58°
21
75°
53°
22
71°
53°
23
71°
56°
24
73°
59°
25
74°
59°
26
74°
60°
27
75°
60°
28
75°
59°
29
76°
60°
30
77°
60°
31
79°
61°
1
80°
62°
2
82°
63°
3
85°
62°
4
82°
63°
5
80°
62°
6
78°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Cullison
Cullison's May 2026 forecast shows daily high temperatures ranging from 53° to 94°, with overnight lows between 38° and 63°. The average high for May is 78° with an average low of 57°. 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 Cullison. See also: June | July | August.