S
M
T
W
T
F
S
27
77°
52°
28
72°
57°
29
68°
54°
30
74°
50°
1
78°
56°
2
70°
59°
3
74°
53°
4
71°
64°
5
77°
57°
6
64°
55°
7
71°
57°
8
79°
51°
9
73°
61°
10
74°
61°
11
72°
61°
12
70°
58°
13
79°
58°
14
81°
62°
15
79°
65°
16
78°
67°
17
80°
66°
18
82°
71°
19
77°
67°
20
84°
68°
21
85°
72°
22
87°
68°
23
81°
63°
24
72°
65°
25
69°
62°
26
68°
59°
27
78°
59°
28
83°
62°
29
75°
67°
30
79°
63°
31
73°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Osaka
Osaka's May 2025 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 Osaka. See also: June | July | August.