S
M
T
W
T
F
S
26
60°
49°
27
71°
52°
28
65°
41°
29
65°
39°
30
60°
45°
1
67°
40°
2
72°
47°
3
85°
53°
4
86°
51°
5
59°
43°
6
56°
41°
7
76°
49°
8
84°
52°
9
80°
51°
10
79°
53°
11
83°
51°
12
77°
52°
13
80°
52°
14
76°
51°
15
70°
55°
16
71°
57°
17
77°
57°
18
79°
58°
19
80°
59°
20
82°
59°
21
79°
55°
22
72°
51°
23
73°
54°
24
71°
52°
25
70°
50°
26
71°
51°
27
72°
50°
28
75°
52°
29
75°
61°
30
84°
62°
31
84°
62°
1
85°
63°
2
83°
63°
3
86°
62°
4
79°
62°
5
78°
60°
6
78°
58°
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 56° to 86°, with overnight lows between 40° and 63°. The average high for May is 77° with an average low of 54°. 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.