The long-range forecast for Johannesburg reveals lower temperatures than usual for this time of the year, dipping to 15°. In the coming days, the forecasted temperatures are expected to be on average -2.7 °C lower than the average of the last few years.
Select a month and click on a day for more information:
Monday
Dec 1
29° / 17°
Tuesday
Dec 2
30° / 17°
Wednesday
Dec 3
31° / 17°
Thursday
Dec 4
28° / 17°
Friday
Dec 5
26° / 14°
Saturday
Dec 6
29° / 16°
Sunday
Dec 7
27° / 17°
Monday
Dec 8
15° / 14°
Tuesday
Dec 9
26° / 14°
Wednesday
Dec 10
26° / 16°
Thursday
Dec 11
22° / 15°
Friday
Dec 12
21° / 15°
Saturday
Dec 13
25° / 15°
Sunday
Dec 14
22° / 16°
Monday
Dec 15
24° / 15°
Tuesday
Dec 16
26° / 18°
Wednesday
Dec 17
24° / 17°
Thursday
Dec 18
22° / 16°
Friday
Dec 19
26° / 17°
Saturday
Dec 20
29° / 17°
Sunday
Dec 21
27° / 18°
Monday
Dec 22
25° / 17°
Tuesday
Dec 23
28° / 18°
Wednesday
Dec 24
30° / 19°
Thursday
Dec 25
27° / 18°
Friday
Dec 26
26° / 17°
Saturday
Dec 27
25° / 17°
Sunday
Dec 28
28° / 17°
Monday
Dec 29
26° / 17°
Tuesday
Dec 30
27° / 18°
Wednesday
Dec 31
28° / 17°
Johannesburg 30 days weather forecast
Check out our estimated 30 days weather forecast for Johannesburg, this data is based on the average weather in Johannesburg in the last few years.
For a more accurate and detailed forecast, check out the 14 day weather for Johannesburg next to the desired date.