S
M
T
W
T
F
S
26
64°
45°
27
64°
46°
28
55°
46°
29
66°
45°
30
72°
48°
1
59°
48°
2
61°
46°
3
61°
50°
4
63°
52°
5
59°
52°
6
57°
46°
7
59°
48°
8
64°
50°
9
66°
50°
10
55°
43°
11
57°
36°
12
57°
37°
13
55°
43°
14
52°
41°
15
59°
39°
16
58°
45°
17
57°
47°
18
58°
52°
19
61°
53°
20
61°
52°
21
67°
53°
22
72°
55°
23
69°
52°
24
71°
54°
25
70°
54°
26
71°
52°
27
70°
53°
28
71°
51°
29
62°
45°
30
63°
48°
31
64°
49°
1
63°
47°
2
63°
47°
3
64°
51°
4
64°
52°
5
66°
53°
6
68°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Llandaff
Llandaff's May 2026 forecast shows daily high temperatures ranging from 57° to 72°, with overnight lows between 45° and 55°. The average high for May is 65° 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 Llandaff. See also: June | July | August.
