S
M
T
W
T
F
S
26
36°
32°
27
36°
31°
28
34°
32°
29
35°
32°
30
37°
32°
1
39°
30°
2
37°
21°
3
41°
26°
4
40°
24°
5
35°
25°
6
35°
28°
7
35°
30°
8
36°
23°
9
40°
26°
10
36°
30°
11
50°
41°
12
46°
42°
13
52°
42°
14
58°
43°
15
44°
36°
16
44°
35°
17
47°
37°
18
45°
37°
19
48°
36°
20
50°
37°
21
51°
38°
22
49°
38°
23
53°
39°
24
49°
39°
25
49°
38°
26
50°
40°
27
49°
39°
28
50°
40°
29
50°
40°
30
53°
39°
31
51°
40°
1
52°
41°
2
55°
42°
3
52°
42°
4
53°
41°
5
54°
42°
6
56°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Mertarvik
Mertarvik's May 2026 forecast shows daily high temperatures ranging from 35° to 58°, with overnight lows between 21° and 43°. The average high for May is 47° with an average low of 36°. 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 Mertarvik. See also: June | July | August.