S
M
T
W
T
F
S
29
61°
41°
30
83°
48°
31
80°
51°
1
51°
38°
2
73°
42°
3
66°
44°
4
51°
40°
5
54°
33°
6
54°
37°
7
42°
33°
8
74°
49°
9
68°
45°
10
62°
40°
11
62°
57°
12
78°
61°
13
79°
55°
14
65°
37°
15
54°
36°
16
62°
43°
17
70°
48°
18
70°
46°
19
69°
48°
20
74°
51°
21
63°
40°
22
57°
37°
23
58°
47°
24
68°
47°
25
66°
45°
26
59°
40°
27
59°
43°
28
64°
48°
29
69°
51°
30
70°
49°
1
68°
47°
2
61°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Rio
Rio's April 2026 forecast shows daily high temperatures ranging from 54° to 79°, with overnight lows between 36° and 61°. The average high for April is 66° with an average low of 46°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Rio. See also: May | June | July.
