Johannesburg
17 to 27°C
temperature
3491 hours
sunshine per day
387 mm
rain
239 days
dry
126 days
rain
0 days
snow

Climate of Johannesburg

Johannesburg has a moderate climate. There is a lot of rainfall in the summer, and in the winter it is quite dry again. The average annual temperature for Johannesburg is 24° degrees and there is about 387 mm of rain in a year. It is dry for 214 days a year with an average humidity of 53% and an UV-index of 5.

Climate averages for the whole year

  • Day: the average daily temperature during the day is between 17°C and 27°C
  • Night:the average nighttime temperature is between 5°C and 16°C
  • Rain: it rains 126 days and there is a total of approximately 387 mm rainfall
  • Sun hours: throughout the year there are 3491 sun hours
Maximum temperature: between 17°C and 27°C
Warmest month: 27°C in January
Coldest month: 17°C in July
Night temperature: between 5°C and 16°C
Dry days: 239 days
Days with rain: 126 days
Days with snow: 0 days
Total rain sum: 387 mm
Hours of sunshine: 3491 hours

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Temperature graph

This graph shows the average maximum temperature (red) and minimum temperature (blue) for Johannesburg.

Precipitation graph

This graph shows the average amount of rainfall per month for Johannesburg.

Climate table of Johannesburg

In this climate table you can see at a glance what the average weather per month is for Johannesburg. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Johannesburg might be like in a given month.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Day temp. (°C) 27 27 26 22 21 18 17 21 25 27 27 27
Night temp. (°C) 16 15 14 11 9 5 5 8 11 14 15 16
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Precipitation (mm) 85 54 42 18 6 3 1 2 7 46 53 70
Days with rain 21 18 17 10 4 2 2 2 4 10 16 20
Dry days 10 10 14 20 27 28 29 29 26 21 14 11
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sun hours per day 12 12 9 8 7 7 7 7 10 12 12 12
Wind force (Bft) 2 2 2 2 2 2 2 2 2 2 2 2
UV-index 6 5 5 5 4 4 4 5 5 6 6 6

Best time to visit Johannesburg

The best time to visit Johannesburg in South Africa is from January through June and August through December. In this period you have a warm temperature and little precipitation. The highest average temperature in Johannesburg is 27°C in January and the lowest is 17°C in July.

Climate of Johannesburg by month

What is the average climate in a given month for Johannesburg? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.

Johannesburg weather experiences

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