S
M
T
W
T
F
S
26
64°
41°
27
68°
45°
28
57°
45°
29
68°
43°
30
72°
50°
1
61°
50°
2
59°
50°
3
59°
48°
4
57°
52°
5
59°
50°
6
57°
46°
7
N/A
8
63°
45°
9
64°
46°
10
58°
39°
11
55°
40°
12
56°
45°
13
55°
39°
14
54°
41°
15
55°
45°
16
55°
44°
17
57°
45°
18
58°
44°
19
59°
46°
20
58°
48°
21
59°
47°
22
58°
49°
23
58°
50°
24
59°
50°
25
60°
49°
26
63°
51°
27
63°
50°
28
59°
47°
29
60°
47°
30
61°
51°
31
61°
51°
1
64°
50°
2
65°
51°
3
65°
51°
4
64°
52°
5
65°
52°
6
66°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Llangeitho
Llangeitho's May 2026 forecast shows daily high temperatures ranging from 54° to 66°, with overnight lows between 39° and 52°. The average high for May is 60° with an average low of 47°. 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 Llangeitho. See also: June | July | August.