S
M
T
W
T
F
S
31
92°
54°
1
96°
62°
2
98°
61°
3
100°
59°
4
103°
63°
5
102°
63°
6
100°
73°
7
96°
71°
8
93°
58°
9
96°
63°
10
103°
62°
11
106°
66°
12
107°
70°
13
106°
68°
14
105°
69°
15
100°
70°
16
100°
68°
17
101°
66°
18
97°
66°
19
93°
62°
20
90°
61°
21
91°
65°
22
96°
68°
23
99°
67°
24
101°
70°
25
102°
71°
26
104°
70°
27
103°
71°
28
94°
65°
29
98°
69°
30
97°
69°
1
97°
66°
2
94°
66°
3
97°
69°
4
98°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Johannesburg
Johannesburg's June 2026 forecast shows daily high temperatures ranging from 90° to 104°, with overnight lows between 61° and 71°. The average high for June is 98° with an average low of 67°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Johannesburg. See also: July | August | September.
