Weather in Johannesburg: August
 |
Average day temperature: | 68.8°F |
| Average night temperature: | 53.8°F | |
 |
Number of sunny days: | 29 days |
| Day length: | 10.9 - 11.6 hours | |
 |
Number of rainy days: | 0 days |
| Precipitation totals: | 0.1 in. | |
| more information | ||
14 days
forecast
forecast
| Johannesburg |
weather in
September
September
| Johannesburg |
Air temperature in August, °F
Show year:
2026
2025
2024
The highest day temperature during August of 2026 was 77°F. At the same time the lowest night temperature was 39°F. Daily and nightly averages during August were 66.5°F and 54.5°F.
Sunny, partly cloudy and cloudy days
Mostly all days in August are sunny but cloudy days are also possible.
Precipitation total in August, in.
Precipitation total value in Johannesburg in August is 0.1 in. Other months of the year show relatively similar values.
Wind speed in August, mph
The average wind speed value in August is 7.0 mph
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 10.3.
Best time for vacation in Johannesburg
Johannesburg on a weather map
Places in South Africa:
Name
°F
24 Hours Forecast
Johannesburg
Local time: 22:30
August 29, saturday
0000
59°F
SW
8 mph
8 mph
0300
55°F
SW
6 mph
6 mph
0600
52°F
S
5 mph
5 mph
0900
59°F
S
6 mph
6 mph
1200
68°F
S
6 mph
6 mph
1500
72°F
S
9 mph
9 mph
1800
66°F
S
7 mph
7 mph
2100
63°F
SE
3 mph
3 mph
