S
M
T
W
T
F
S
26
63°
55°
27
70°
57°
28
73°
57°
29
66°
57°
30
59°
54°
1
64°
55°
2
66°
52°
3
66°
59°
4
68°
54°
5
66°
50°
6
66°
52°
7
73°
55°
8
75°
55°
9
72°
52°
10
70°
52°
11
73°
55°
12
72°
57°
13
73°
61°
14
75°
61°
15
75°
57°
16
79°
61°
17
79°
61°
18
81°
61°
19
81°
63°
20
77°
68°
21
75°
66°
22
75°
64°
23
73°
64°
24
75°
68°
25
79°
70°
26
79°
66°
27
73°
70°
28
79°
70°
29
81°
66°
30
81°
61°
31
81°
66°
1
81°
70°
2
72°
66°
3
81°
70°
4
72°
66°
5
73°
66°
6
79°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Hiroshima-shi
Hiroshima-shi'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 Hiroshima-shi. See also: June | July | August.
