S
M
T
W
T
F
S
26
62°
22°
27
67°
25°
28
67°
37°
29
71°
33°
30
77°
35°
1
76°
41°
2
79°
41°
3
83°
39°
4
82°
40°
5
81°
40°
6
82°
42°
7
79°
44°
8
71°
40°
9
78°
37°
10
78°
46°
11
73°
44°
12
81°
37°
13
63°
49°
14
67°
52°
15
58°
41°
16
59°
42°
17
68°
43°
18
72°
46°
19
70°
47°
20
75°
48°
21
70°
45°
22
73°
46°
23
72°
48°
24
69°
47°
25
70°
44°
26
72°
44°
27
74°
49°
28
79°
50°
29
73°
44°
30
67°
39°
31
68°
41°
1
72°
44°
2
77°
46°
3
77°
46°
4
76°
46°
5
70°
42°
6
72°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Killiney Beach
Killiney Beach's May 2026 forecast shows daily high temperatures ranging from 59° to 79°, with overnight lows between 39° and 50°. The average high for May is 72° with an average low of 45°. 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 Killiney Beach. See also: June | July | August.
