S
M
T
W
T
F
S
26
63°
39°
27
63°
45°
28
54°
39°
29
57°
37°
30
61°
37°
1
73°
34°
2
66°
52°
3
52°
46°
4
57°
46°
5
59°
39°
6
52°
34°
7
57°
30°
8
61°
45°
9
61°
45°
10
54°
41°
11
50°
34°
12
59°
34°
13
52°
43°
14
54°
41°
15
52°
41°
16
57°
39°
17
57°
43°
18
57°
37°
19
63°
50°
20
64°
52°
21
70°
54°
22
79°
52°
23
72°
52°
24
75°
50°
25
89°
60°
26
77°
53°
27
62°
45°
28
74°
56°
29
75°
54°
30
75°
56°
31
72°
53°
1
69°
52°
2
67°
51°
3
68°
50°
4
67°
50°
5
66°
51°
6
60°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Melbourne
Melbourne's May 2026 forecast shows daily high temperatures ranging from 60° to 89°, with overnight lows between 45° and 60°. The average high for May is 71° with an average low of 52°. 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 Melbourne. See also: June | July | August.