S
M
T
W
T
F
S
26
71°
61°
27
71°
61°
28
74°
60°
29
74°
59°
30
69°
58°
1
69°
60°
2
70°
60°
3
69°
59°
4
70°
60°
5
69°
59°
6
69°
59°
7
70°
58°
8
68°
59°
9
68°
57°
10
69°
58°
11
72°
58°
12
73°
57°
13
73°
58°
14
72°
57°
15
72°
54°
16
66°
55°
17
67°
53°
18
67°
55°
19
65°
53°
20
65°
52°
21
66°
56°
22
66°
56°
23
64°
55°
24
64°
55°
25
67°
52°
26
68°
50°
27
69°
53°
28
68°
54°
29
65°
50°
30
69°
50°
31
65°
53°
1
65°
53°
2
64°
52°
3
64°
52°
4
65°
51°
5
64°
47°
6
65°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Sydney South
Sydney South's May 2026 forecast shows daily high temperatures ranging from 64° to 74°, with overnight lows between 47° and 61°. The average high for May is 68° with an average low of 55°. 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 South. See also: June | July | August.
