S
M
T
W
T
F
S
26
68°
52°
27
61°
46°
28
64°
43°
29
70°
48°
30
73°
48°
1
72°
55°
2
61°
54°
3
64°
43°
4
68°
52°
5
70°
59°
6
73°
62°
7
67°
52°
8
57°
48°
9
57°
49°
10
58°
47°
11
59°
44°
12
60°
49°
13
64°
50°
14
66°
53°
15
66°
52°
16
64°
53°
17
62°
53°
18
62°
54°
19
64°
52°
20
61°
52°
21
61°
53°
22
62°
53°
23
60°
52°
24
59°
52°
25
60°
51°
26
60°
51°
27
61°
53°
28
63°
51°
29
59°
51°
30
58°
48°
31
57°
49°
1
57°
49°
2
58°
48°
3
57°
48°
4
57°
50°
5
58°
51°
6
58°
51°
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 57° to 73°, with overnight lows between 44° and 62°. The average high for May is 61° 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 Montevideo. See also: June | July | August.
