S
M
T
W
T
F
S
26
50°
39°
27
48°
43°
28
52°
34°
29
57°
34°
30
54°
32°
1
55°
30°
2
70°
37°
3
71°
53°
4
60°
34°
5
52°
33°
6
51°
34°
7
63°
32°
8
63°
36°
9
69°
41°
10
65°
42°
11
70°
46°
12
74°
48°
13
72°
47°
14
71°
46°
15
71°
49°
16
69°
46°
17
73°
50°
18
69°
51°
19
70°
51°
20
68°
46°
21
64°
43°
22
64°
43°
23
65°
44°
24
66°
43°
25
65°
44°
26
66°
44°
27
66°
45°
28
67°
46°
29
69°
54°
30
69°
50°
31
68°
49°
1
75°
56°
2
78°
57°
3
79°
58°
4
80°
59°
5
79°
59°
6
79°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Montevideo
Montevideo's May 2026 forecast shows daily high temperatures ranging from 51° to 80°, with overnight lows between 32° and 60°. The average high for May is 69° with an average low of 47°. 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 Montevideo. See also: June | July | August.
