Weather in Johannesburg in August
August in Johannesburg is cool with average temperatures around 14.0°C (57.2°F). Light rainfall with only 7mm expected.
Data Note: Temperature values are 2001–2020 satellite/reanalysis grid averages from NASA POWER and may differ from airport station normals by a few degrees.
Temperature
High
22.5°C
72.5°F
Low
5.5°C
41.9°F
Precipitation
7 mm
0.3 inches
~1 rainy days
Conditions
Humidity
44%
Comparison to Adjacent Months
August is 3.0°C warmer than July.
August is 4.0°C cooler than September.