Weather in Johannesburg

Best time to visit

Situated 550km (344 miles) from the nearest port on a vast inland plateau, 1,700m (5,700ft) high, Johannesburg's climate is much milder and drier than its latitude would suggest. The city straddles rows of jagged quartzite ridges, beneath which a century of gold mining has produced a veritable honeycomb of tunnels. Average January temperatures reach around 20°C (68°F), while average July temperatures are 10°C (51°F). Annual rainfall is 720mm (28.8 inches).

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Symbols indicate the predominant weather for the day in question, calculated based on a weighting of different types of weather. So if a day is forecast to be sunny with the possibility of a brief shower, then we will see a sunny or partly cloudy symbol rather than a rain cloud. For the purpose of this forecast, \'day\' is the entire 24 our period 00:00 to 23:59'); ?>
temperature is the highest temperature forecast between dawn and dusk, and the minimum temperature is the lowest temperature expected from dusk on the day in question to dawn the next day. The temperature is in °C, or Celsius.'); ?>
Wind speed and direction are the conditions expected at midday. Wind direction is based on a 16 point compass. W, SW, SSW, etc. The wind direction states where the wind originates. Wind speed is listed in MPH or miles per hour.'); ?>
Humidity levels indicates how much water vapour the air contains compared to the maximum it could contain at that temperature. As a general guide:'); ?>
Visibility based on whether the human eye can see the following distances:'); ?>
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