S
M
T
W
T
F
S
26
55°
48°
27
58°
43°
28
58°
40°
29
63°
44°
30
68°
48°
1
61°
48°
2
59°
44°
3
57°
42°
4
57°
43°
5
56°
41°
6
56°
42°
7
56°
42°
8
58°
43°
9
57°
44°
10
56°
44°
11
58°
45°
12
56°
44°
13
56°
47°
14
57°
48°
15
59°
48°
16
60°
47°
17
58°
47°
18
61°
49°
19
63°
49°
20
63°
48°
21
62°
50°
22
64°
50°
23
65°
49°
24
64°
50°
25
63°
50°
26
61°
49°
27
61°
50°
28
62°
49°
29
61°
50°
30
62°
50°
31
64°
49°
1
65°
51°
2
65°
51°
3
64°
50°
4
65°
50°
5
65°
51°
6
64°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Dolgellau
Dolgellau's May 2026 forecast shows daily high temperatures ranging from 56° to 68°, with overnight lows between 40° and 51°. The average high for May is 61° 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 Dolgellau. See also: June | July | August.
