S
M
T
W
T
F
S
26
41°
32°
27
50°
28°
28
50°
28°
29
47°
32°
30
45°
35°
1
46°
37°
2
48°
38°
3
44°
35°
4
46°
34°
5
47°
37°
6
53°
36°
7
51°
36°
8
52°
36°
9
53°
47°
10
48°
38°
11
47°
38°
12
48°
36°
13
48°
37°
14
49°
38°
15
49°
38°
16
50°
37°
17
50°
39°
18
51°
41°
19
52°
41°
20
54°
42°
21
54°
41°
22
52°
40°
23
51°
39°
24
52°
40°
25
52°
39°
26
53°
42°
27
54°
38°
28
53°
38°
29
55°
42°
30
56°
44°
31
56°
42°
1
55°
40°
2
55°
40°
3
54°
41°
4
55°
41°
5
56°
45°
6
56°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Sydney
Sydney's May 2026 forecast shows daily high temperatures ranging from 41° to 56°, with overnight lows between 28° and 47°. The average high for May is 51° with an average low of 38°. 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 Sydney. See also: June | July | August.
