S
M
T
W
T
F
S
26
63°
44°
27
62°
47°
28
56°
45°
29
63°
42°
30
70°
44°
1
65°
45°
2
61°
46°
3
60°
50°
4
58°
46°
5
58°
44°
6
55°
43°
7
59°
43°
8
60°
46°
9
60°
47°
10
57°
43°
11
53°
42°
12
55°
41°
13
52°
46°
14
54°
43°
15
54°
44°
16
53°
42°
17
56°
46°
18
57°
45°
19
N/A
20
63°
55°
21
67°
56°
22
70°
55°
23
67°
53°
24
70°
57°
25
73°
53°
26
70°
54°
27
71°
53°
28
67°
53°
29
64°
51°
30
64°
50°
31
65°
51°
1
60°
48°
2
61°
46°
3
61°
50°
4
62°
51°
5
63°
52°
6
64°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Llansannan
Llansannan's May 2026 forecast shows daily high temperatures ranging from 60° to 73°, with overnight lows between 46° and 57°. The average high for May is 66° 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 Llansannan. See also: June | July | August.
