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Average temperatures in South Africa range from 15℃ to 36℃ in the summer and -2℃ to 26℃ in the winter. South Africa is highly vulnerable to climate variability and change due to the country’s high dependence on rain-fed agriculture and natural resources.
Climate and Average Weather Year Round in South Africa. We show the climate in South Africa by comparing the average weather in 3 representative places: Cape Town, Johannesburg, and Durban. You can add or remove cities to customize the report to your liking. See all locations in South Africa.
The average annual temperature is 15.9 °C | 60.6 °F in Johannesburg. In a year, the rainfall is 784 mm | 30.9 inch. Graphs. Click one of the graphs for more information. Soweto The climate is warm and temperate in Soweto. The summers here have a good deal of rainfall, while the winters have very little.
South Africa experienced a warm year, about 0.36 oC above the average of the reference period (1991 -2020), making it approximately the 8th hottest year on record since 1951. A warming trend of 0.17 oC per decade is indicated for the country, over the period 1951-2023, statistically significant at the 5% level.
Temperature. South Africa has typical weather for the Southern Hemisphere, with the coldest days in June–August. On the central plateau, which includes the Free State and Gauteng provinces, the altitude keeps the average temperatures below 20 °C (68 °F); Johannesburg, for example, lies at 1,753 metres (5,751 ft).
The mean average of annual temperatures range from a high of 23.9°C (75.02°F) in Northern Cape to a low of 17.38°C (63.28°F) in Eastern Cape. Climate South Africa: Weather By Month. South Africa Climate Graph. South Africa’s Cities by Temperature. South Africa’s states/regions ranking by average yearly temperature: States/Regions. Eastern Cape.
South Africa experienced a warm year, especially in the central interior. The annual mean temperature anomaly for 2022, based on the data of 26 climate stations, was on average about 0.4 ºC above the average of the reference period (1991-2020), making it approximately the 4th hottest year on record since 1951 (see Figure 1).
