S
M
T
W
T
F
S
26
77°
46°
27
77°
50°
28
64°
57°
29
70°
55°
30
66°
54°
1
69°
42°
2
73°
46°
3
71°
48°
4
63°
50°
5
57°
50°
6
60°
46°
7
67°
51°
8
65°
50°
9
66°
53°
10
67°
51°
11
64°
50°
12
66°
49°
13
68°
50°
14
63°
48°
15
62°
47°
16
64°
47°
17
69°
49°
18
69°
51°
19
71°
50°
20
68°
51°
21
66°
49°
22
66°
51°
23
67°
52°
24
66°
51°
25
68°
54°
26
68°
51°
27
71°
56°
28
70°
54°
29
68°
56°
30
69°
53°
31
68°
53°
1
66°
52°
2
66°
51°
3
67°
50°
4
68°
52°
5
69°
53°
6
71°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Mendrisio
Mendrisio's May 2026 forecast shows daily high temperatures ranging from 57° to 73°, with overnight lows between 42° and 56°. The average high for May is 67° with an average low of 51°. 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 Mendrisio. See also: June | July | August.
