S
M
T
W
T
F
S
26
41°
22°
27
44°
23°
28
46°
23°
29
47°
25°
30
46°
24°
1
43°
25°
2
41°
24°
3
41°
26°
4
42°
26°
5
42°
29°
6
44°
29°
7
42°
28°
8
42°
28°
9
44°
29°
10
43°
30°
11
43°
30°
12
44°
28°
13
43°
28°
14
45°
29°
15
52°
31°
16
51°
33°
17
52°
37°
18
51°
35°
19
46°
36°
20
49°
33°
21
49°
37°
22
47°
36°
23
47°
37°
24
49°
38°
25
48°
34°
26
48°
35°
27
50°
38°
28
52°
35°
29
48°
33°
30
49°
32°
31
49°
32°
1
48°
30°
2
49°
31°
3
50°
38°
4
55°
37°
5
54°
39°
6
55°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Zermatt
Zermatt's May 2026 forecast shows daily high temperatures ranging from 41° to 55°, with overnight lows between 22° and 41°. The average high for May is 47° with an average low of 31°. 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 Zermatt. See also: June | July | August.
