S
M
T
W
T
F
S
26
78°
51°
27
78°
51°
28
78°
50°
29
75°
50°
30
76°
55°
1
77°
52°
2
77°
53°
3
78°
58°
4
77°
56°
5
77°
50°
6
74°
50°
7
73°
50°
8
66°
49°
9
67°
49°
10
69°
47°
11
71°
53°
12
71°
51°
13
70°
51°
14
69°
49°
15
N/A
16
68°
56°
17
68°
56°
18
67°
57°
19
63°
50°
20
65°
50°
21
66°
49°
22
68°
51°
23
68°
50°
24
66°
47°
25
64°
49°
26
62°
49°
27
63°
50°
28
62°
50°
29
62°
51°
30
63°
51°
31
62°
50°
1
63°
50°
2
65°
49°
3
64°
50°
4
63°
48°
5
62°
50°
6
63°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Shellharbour Square
Shellharbour Square's May 2026 forecast shows daily high temperatures ranging from 62° to 68°, with overnight lows between 47° and 57°. The average high for May is 64° with an average low of 51°. 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 Shellharbour Square. See also: June | July | August.