Johannesburg weather averages

Usually in December
- 26
- 14
- 9
Weather by month
Now Today
- 34
- 10
5-day forecast

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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

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.

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)

Compare more Johannesburg weather >>

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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.