S
M
T
W
T
F
S
26
59°
45°
27
61°
46°
28
55°
43°
29
61°
43°
30
66°
48°
1
64°
52°
2
59°
52°
3
54°
46°
4
55°
45°
5
55°
45°
6
54°
45°
7
57°
43°
8
54°
48°
9
55°
45°
10
59°
43°
11
54°
46°
12
55°
46°
13
55°
45°
14
55°
46°
15
55°
41°
16
55°
41°
17
54°
43°
18
55°
45°
19
63°
52°
20
64°
52°
21
66°
55°
22
66°
55°
23
66°
52°
24
73°
57°
25
75°
54°
26
70°
55°
27
72°
54°
28
69°
55°
29
68°
51°
30
61°
54°
31
63°
54°
1
62°
54°
2
61°
52°
3
60°
51°
4
60°
49°
5
59°
50°
6
61°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Killyleagh
Killyleagh's May 2026 forecast shows daily high temperatures ranging from 59° to 69°, with overnight lows between 49° and 55°. The average high for May is 62° with an average low of 52°. 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 Killyleagh. See also: June | July | August.
