S
M
T
W
T
F
S
26
66°
46°
27
64°
35°
28
72°
41°
29
79°
46°
30
76°
46°
1
78°
47°
2
64°
45°
3
68°
40°
4
76°
42°
5
76°
45°
6
82°
51°
7
70°
46°
8
63°
36°
9
58°
38°
10
64°
33°
11
69°
36°
12
80°
40°
13
73°
47°
14
68°
44°
15
66°
46°
16
55°
36°
17
57°
32°
18
57°
34°
19
63°
39°
20
58°
40°
21
56°
36°
22
56°
36°
23
57°
38°
24
58°
39°
25
60°
42°
26
61°
44°
27
62°
45°
28
59°
45°
29
59°
42°
30
58°
43°
31
61°
40°
1
57°
38°
2
56°
36°
3
55°
35°
4
56°
36°
5
61°
39°
6
62°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Mendoza
Mendoza's May 2026 forecast shows daily high temperatures ranging from 55° to 63°, with overnight lows between 34° and 45°. The average high for May is 59° with an average low of 39°. 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 Mendoza. See also: June | July | August.
