S
M
T
W
T
F
S
28
91°
61°
29
92°
58°
30
95°
62°
1
97°
63°
2
96°
59°
3
98°
59°
4
100°
65°
5
90°
68°
6
99°
68°
7
100°
66°
8
102°
68°
9
107°
69°
10
105°
71°
11
104°
73°
12
100°
73°
13
99°
74°
14
102°
74°
15
103°
75°
16
102°
74°
17
102°
72°
18
99°
68°
19
98°
71°
20
99°
72°
21
100°
72°
22
100°
71°
23
101°
73°
24
101°
73°
25
100°
72°
26
100°
73°
27
99°
72°
28
100°
72°
29
100°
71°
30
101°
73°
31
100°
72°
1
99°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Johannesburg
Johannesburg's July 2026 forecast shows daily high temperatures ranging from 90° to 107°, with overnight lows between 66° and 75°. The average high for July is 100° with an average low of 71°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Johannesburg. See also: August | September | October.
