S
M
T
W
T
F
S
26
52°
45°
27
50°
47°
28
49°
41°
29
45°
38°
30
45°
36°
1
40°
32°
2
47°
30°
3
46°
37°
4
43°
32°
5
41°
33°
6
42°
33°
7
41°
36°
8
44°
40°
9
45°
42°
10
54°
43°
11
46°
41°
12
48°
42°
13
48°
40°
14
44°
37°
15
43°
33°
16
48°
42°
17
47°
41°
18
49°
41°
19
48°
43°
20
48°
42°
21
49°
42°
22
48°
42°
23
49°
40°
24
49°
39°
25
46°
39°
26
46°
40°
27
47°
39°
28
47°
40°
29
48°
43°
30
50°
43°
31
51°
45°
1
51°
45°
2
50°
44°
3
51°
45°
4
50°
45°
5
49°
44°
6
50°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Vestmannaeyjar
Vestmannaeyjar's May 2026 forecast shows daily high temperatures ranging from 41° to 54°, with overnight lows between 32° and 46°. The average high for May is 47° with an average low of 41°. 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 Vestmannaeyjar. See also: June | July | August.
