S
M
T
W
T
F
S
26
65°
29°
27
71°
31°
28
62°
32°
29
55°
42°
30
47°
42°
1
60°
34°
2
45°
32°
3
53°
31°
4
68°
27°
5
79°
49°
6
62°
51°
7
61°
44°
8
55°
32°
9
58°
27°
10
65°
44°
11
60°
40°
12
57°
29°
13
50°
31°
14
63°
45°
15
60°
49°
16
77°
46°
17
82°
53°
18
68°
47°
19
91°
47°
20
88°
64°
21
65°
48°
22
70°
38°
23
68°
43°
24
53°
45°
25
66°
47°
26
82°
56°
27
81°
52°
28
68°
46°
29
65°
47°
30
65°
43°
31
64°
50°
1
69°
49°
2
68°
49°
3
70°
53°
4
71°
51°
5
72°
49°
6
71°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Peru
Peru's May 2026 forecast shows daily high temperatures ranging from 53° to 82°, with overnight lows between 43° and 56°. The average high for May is 69° with an average low of 49°. 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 Peru. See also: June | July | August.
