S
M
T
W
T
F
S
26
46°
16°
27
45°
16°
28
39°
21°
29
39°
21°
30
41°
18°
1
42°
16°
2
44°
17°
3
39°
21°
4
36°
17°
5
34°
16°
6
25°
14°
7
38°
15°
8
40°
17°
9
42°
20°
10
35°
18°
11
34°
16°
12
33°
13°
13
37°
14°
14
30°
10°
15
24°
8°
16
26°
9°
17
36°
12°
18
29°
14°
19
36°
14°
20
36°
20°
21
46°
21°
22
47°
23°
23
65°
42°
24
66°
44°
25
64°
47°
26
65°
45°
27
63°
42°
28
63°
42°
29
62°
43°
30
61°
42°
31
58°
41°
1
57°
42°
2
53°
39°
3
53°
39°
4
52°
38°
5
46°
32°
6
46°
33°
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 46° to 66°, with overnight lows between 32° and 47°. The average high for May is 58° 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 Zermatt. See also: June | July | August.
