S
M
T
W
T
F
S
26
54°
47°
27
53°
46°
28
52°
47°
29
53°
48°
30
54°
49°
1
56°
49°
2
54°
48°
3
53°
49°
4
54°
49°
5
55°
48°
6
54°
49°
7
54°
50°
8
57°
50°
9
56°
49°
10
55°
50°
11
55°
50°
12
58°
51°
13
56°
51°
14
56°
50°
15
55°
49°
16
56°
51°
17
56°
50°
18
60°
50°
19
62°
51°
20
58°
51°
21
60°
49°
22
58°
50°
23
59°
52°
24
59°
52°
25
62°
51°
26
60°
52°
27
61°
52°
28
62°
53°
29
62°
52°
30
63°
50°
31
62°
48°
1
61°
49°
2
60°
51°
3
61°
50°
4
60°
53°
5
60°
52°
6
62°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Morfa Nefyn
Morfa Nefyn's May 2026 forecast shows daily high temperatures ranging from 52° to 63°, with overnight lows between 46° and 53°. The average high for May is 58° with an average low of 50°. 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 Morfa Nefyn. See also: June | July | August.