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World Weather & Climate Information

Average monthly weather in Johannesburg, South Africa

What's the best time to travel to Johannesburg in South Africa? Here are some annual weather facts we collected from our historical weather data:
  • On average, the warmest month(s) are January, February and December.
  • Most rainfall (rainy season) is seen in January, February, March, November and December.
  • Johannesburg has dry periods in May, June, July and August.
  • On average, the warmest month is January.
  • On average, the coolest month is July.
  • January is the wettest month. This month should be avoided if you don't like too much rain.
  • June is the driest month.
For more information, see the weather forecast and our average climate infomation (in graphs) below.

* Data from nearest weather station: Newcastle, South Africa (159.5 Miles).
10 Day Weather Forecast 

Average minimum and maximum temperature over the year

The monthly mean minimum and maximum daily temperature. Show in Celcius »
Average min and max temperatures in Newcastle, South Africa   Copyright © 2016 www.weather-and-climate.com

Average monthly hours of sunshine over the year

This is the monthly total of sunhours
Average monthly sunhours in Newcastle, South Africa   Copyright © 2016 www.weather-and-climate.com

Average percent of sunshine over the year

This is the mean percent of sunhours during the day

Average percent of sunshine in Newcastle, South Africa   Copyright © 2016 www.weather-and-climate.com

Average monthly precipitation over the year (rainfall, snow)

This is the mean monthly precipitation, including rain, snow, hail etc. Show in Inches »
Average precipitation (rain/snow) in Newcastle, South Africa   Copyright © 2016 www.weather-and-climate.com

Average monthly rainy days over the year

This is the number of days each month with rain, snow, hail etc.
Average rainy days (rain/snow) in Newcastle, South Africa   Copyright © 2016 www.weather-and-climate.com

Average humidity over the year

This is the mean monthly relative humidity
Average relative humidity in Newcastle, South Africa   Copyright © 2016 www.weather-and-climate.com

Weather Forecast for Johannesburg

Show in Celsius
SAT
Sunny
84°F
62°F
SUN
Patchy light rain with thunder
82°F
59°F
MON
Moderate or heavy rain shower
75°F
56°F