Weather in Johannesburg: August
 |
Average day temperature: | 68.9°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:
2025
2024
2023
The highest day temperature during August of 2025 was 77°F. At the same time the lowest night temperature was 46°F. Daily and nightly averages during August were 67.5°F and 55.4°F.
Sunny, partly cloudy and cloudy days
Almost all days of August in Johannesburg are sunny. Cloudy days are rare.
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 7.2 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: 10.5.
Best time for vacation in Johannesburg
Johannesburg on a weather map
Places in South Africa:
Name
°F
24 Hours Forecast
Johannesburg
Local time: 08:49
December 29, monday
0900
73°F
SW
2 mph
2 mph
1200
82°F
E
4 mph
4 mph
1500
84°F
N
5 mph
5 mph
1800
82°F
N
4 mph
4 mph
2100
75°F
S
4 mph
4 mph
December 30, tuesday
0000
68°F
SW
14 mph
14 mph
0300
64°F
S
11 mph
11 mph
0600
64°F
S
10 mph
10 mph
