S
M
T
W
T
F
S
26
43°
33°
27
45°
35°
28
41°
35°
29
43°
30°
30
44°
32°
1
41°
33°
2
41°
26°
3
31°
23°
4
36°
26°
5
38°
22°
6
31°
18°
7
37°
15°
8
42°
18°
9
42°
24°
10
49°
30°
11
47°
34°
12
53°
31°
13
58°
36°
14
62°
39°
15
65°
36°
16
62°
37°
17
60°
41°
18
53°
42°
19
57°
39°
20
56°
33°
21
57°
35°
22
52°
40°
23
56°
36°
24
59°
32°
25
62°
28°
26
61°
40°
27
59°
41°
28
58°
34°
29
55°
33°
30
58°
30°
31
54°
36°
1
59°
34°
2
66°
41°
3
65°
42°
4
61°
37°
5
52°
29°
6
50°
31°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Kiana
Kiana's May 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for May is ° with an average low of °. 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 Kiana. See also: June | July | August.