S
M
T
W
T
F
S
26
31°
20°
27
43°
17°
28
52°
21°
29
60°
24°
30
68°
30°
1
73°
38°
2
67°
44°
3
71°
43°
4
51°
35°
5
49°
29°
6
66°
23°
7
71°
42°
8
73°
40°
9
65°
41°
10
75°
43°
11
65°
45°
12
74°
37°
13
75°
50°
14
66°
48°
15
59°
40°
16
52°
38°
17
47°
33°
18
58°
34°
19
65°
40°
20
55°
36°
21
64°
44°
22
70°
43°
23
73°
46°
24
77°
46°
25
71°
41°
26
70°
44°
27
68°
41°
28
70°
42°
29
67°
42°
30
67°
44°
31
68°
46°
1
67°
44°
2
71°
49°
3
71°
50°
4
72°
50°
5
67°
49°
6
63°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Hanna
Hanna's May 2026 forecast shows daily high temperatures ranging from 55° to 77°, with overnight lows between 36° and 50°. The average high for May is 68° with an average low of 45°. 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 Hanna. See also: June | July | August.