S
M
T
W
T
F
S
26
59°
50°
27
58°
50°
28
59°
48°
29
58°
43°
30
57°
45°
1
57°
50°
2
58°
51°
3
56°
51°
4
59°
51°
5
60°
53°
6
57°
52°
7
56°
52°
8
59°
51°
9
58°
48°
10
61°
53°
11
57°
53°
12
59°
52°
13
62°
50°
14
67°
42°
15
65°
42°
16
61°
38°
17
65°
41°
18
71°
44°
19
72°
45°
20
71°
44°
21
70°
45°
22
68°
44°
23
66°
43°
24
65°
44°
25
68°
44°
26
68°
43°
27
67°
45°
28
64°
42°
29
62°
42°
30
63°
43°
31
69°
47°
1
70°
47°
2
70°
46°
3
68°
44°
4
63°
41°
5
63°
41°
6
64°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Hiouchi
Hiouchi's May 2026 forecast shows daily high temperatures ranging from 61° to 72°, with overnight lows between 38° and 47°. The average high for May is 67° with an average low of 43°. 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 Hiouchi. See also: June | July | August.