S
M
T
W
T
F
S
29
80°
53°
30
80°
53°
31
78°
53°
1
78°
53°
2
81°
53°
3
75°
51°
4
80°
51°
5
80°
51°
6
78°
57°
7
71°
53°
8
73°
49°
9
74°
51°
10
75°
50°
11
78°
57°
12
75°
53°
13
62°
54°
14
69°
53°
15
68°
51°
16
72°
54°
17
70°
53°
18
70°
53°
19
69°
55°
20
73°
53°
21
70°
54°
22
69°
53°
23
71°
50°
24
70°
51°
25
69°
48°
26
73°
51°
27
72°
52°
28
73°
51°
29
72°
50°
30
67°
52°
1
67°
47°
2
68°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Johannesburg
Johannesburg's April 2026 forecast shows daily high temperatures ranging from 67° to 73°, with overnight lows between 47° and 55°. The average high for April is 70° 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 April weather will actually feel in Johannesburg. See also: May | June | July.
