S
M
T
W
T
F
S
26
59°
39°
27
63°
41°
28
52°
39°
29
55°
34°
30
59°
34°
1
61°
34°
2
61°
46°
3
48°
45°
4
59°
41°
5
52°
39°
6
54°
37°
7
57°
43°
8
59°
45°
9
52°
37°
10
57°
34°
11
54°
37°
12
57°
45°
13
N/A
14
54°
38°
15
56°
35°
16
57°
42°
17
58°
40°
18
59°
44°
19
61°
50°
20
63°
50°
21
67°
52°
22
68°
51°
23
63°
48°
24
63°
46°
25
64°
47°
26
57°
46°
27
57°
43°
28
56°
44°
29
56°
44°
30
57°
43°
31
57°
45°
1
58°
49°
2
60°
50°
3
62°
50°
4
63°
49°
5
61°
49°
6
60°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Perth
Perth's May 2026 forecast shows daily high temperatures ranging from 54° to 68°, with overnight lows between 35° and 52°. The average high for May is 60° with an average low of 46°. 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 Perth. See also: June | July | August.
