Johannesburg weather averages

Going to Johannesburg? Find the best month to visit Johannesburg based on the weather.

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Check Johannesburg weather averages before you book your next holiday in 2018/2019. Today's maximum temperature in Johannesburg is expected to be 34°C, while the average maximum temperature in December is 26°C.

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More about Johannesburg

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The weather for Johannesburg, South Africa shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by MeteoBlue. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

Johannesburg weather averages: best month

Johannesburg Best month Averages
Warmest January, February & December 26°C
Sunniest August & September 10 hours per day
Least rain July 1 day

Johannesburg climate guide

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Johannesburg weather averages by month

Check Johannesburg holiday weather averages for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

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Compare Johannesburg weather with the USA

Below the Johannesburg weather chart shows maximum daytime temperature for Johannesburg, South Africa and the USA (Washington). For more weather parameters or to change the destinations shown visit the comparison weather tool.

Maximum daytime temperature (°C)

Johannesburg, South Africa
USA (Washington)
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Metric (°C / mm)  |  Imperial (°F / inches)

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Popular South Africa destinations

Below are average maximum temperatures at popular destinations in South Africa in December. Select a destination to see the weather overview and compare average conditions with today's forecast.

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More South Africa destinations

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