South Africa weather in August

Are you planning a trip to South Africa in August and wondering what kind of weather to expect? Look no further than this page for all the information you need.

What is the weather like in South Africa in August?

The weather conditions in South Africa in August vary from unpleasant to perfect depending on the destination. It is a winter month.

During August in South Africa, the average maximum temperature varies from moderate in Riebeek-Wes with 16°C (62°F) to high in Kruger National Park with 29°C (84°F). Minimum nighttime temperatures generally drop to 11°C (53°F) in Kruger National Park and 5°C (40°F) in Riebeek-Wes.

Precipitation in August varies from almost none in Overyssel with an average of 1.6mm (0.1 inches) of rainfall to high in Brackenfell with 136mm (5.4 inches). It is also generally a sunny time of year with an average of 212 hours of sunshine in Cape Town during the entire month.

To learn more about the weather conditions in specific areas of South Africa, check out the map below.

Where to go in South Africa in August

Find the average weather conditions in August for the most popular destinations in South Africa on the map below. Click on a destination dot for more detailed information.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20-29ºC / 68-84ºF and not too much precipitation (less than 90mm / 3.5inches a month).

Popular destinations in South Africa

What is the weather like in August for the 5 most popular destinations in South Africa?

Average weather in Cape Town

In August Cape Town generally has moderate temperatures with maximum daytime temperatures around 17°C (62°F), minimum nighttime temperatures around 7°C (44°F) and high monthly rainfall. So on average the conditions are unpleasant that month.

Cape Town
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   July July
<<  
17°C / 62°F 
7°C / 44°F 
193 hours 
132mm / 5.2" 
11 days 
17°C / 62°F 
7°C / 44°F 
212 hours 
118mm / 4.6" 
11 days 
19°C / 66°F 
8°C / 46°F 
225 hours 
69mm / 2.7" 
9 days 
Climate in Cape Town

Average weather in Johannesburg

In August Johannesburg generally has pleasant temperatures with maximum daytime temperatures around 22°C (71°F), minimum nighttime temperatures around 5°C (40°F) and low monthly rainfall. So on average the conditions are perfect that month.

Johannesburg
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   July July
<<  
19°C / 66°F 
2°C / 35°F 
284 hours 
2mm / 0.1" 
1 day 
22°C / 71°F 
5°C / 40°F 
284 hours 
5mm / 0.2" 
1 day 
25°C / 77°F 
8°C / 47°F 
281 hours 
22mm / 0.9" 
3 days 
Climate in Johannesburg

Average weather in Durban

In August Durban generally has pleasant temperatures with maximum daytime temperatures around 22°C (71°F), minimum nighttime temperatures around 16°C (61°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

Durban
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   July July
<<  
21°C / 69°F 
15°C / 59°F 
233 hours 
31mm / 1.2" 
4 days 
22°C / 71°F 
16°C / 61°F 
216 hours 
50mm / 2" 
6 days 
22°C / 71°F 
17°C / 63°F 
173 hours 
73mm / 2.9" 
10 days 
Climate in Durban

Average weather in Knysna

In August Knysna generally has moderate temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 8°C (46°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

Knysna
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   July July
<<  
17°C / 63°F 
7°C / 45°F 
241 hours 
54mm / 2.1" 
8 days 
18°C / 64°F 
8°C / 46°F 
260 hours 
63mm / 2.5" 
8 days 
19°C / 66°F 
9°C / 48°F 
255 hours 
58mm / 2.3" 
9 days 
Climate in Knysna

Average weather in Stellenbosch

In August Stellenbosch generally has moderate temperatures with maximum daytime temperatures around 17°C (62°F), minimum nighttime temperatures around 6°C (43°F) and high monthly rainfall. So on average the conditions are unpleasant that month.

Stellenbosch
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   July July
<<  
17°C / 62°F 
6°C / 43°F 
193 hours 
126mm / 5" 
10 days 
17°C / 62°F 
6°C / 43°F 
212 hours 
115mm / 4.5" 
10 days 
19°C / 66°F 
7°C / 45°F 
225 hours 
66mm / 2.6" 
8 days 
Climate in Stellenbosch

Is your destination not in the list? Have a look at other destinations in South Africa.

Is August the best time to go to South Africa?

In our opinion August is not the best time to visit South Africa with commonly unpleasant weather in Cape Town.

On average the best time to visit South Africa is in January, February, March, April, May, October, November and December with generally perfect weather in Cape Town. The worst months are June, July and August that can have unpleasant weather conditions.

Interested in more climate information?

We have much more information about the climate in South Africa. Interested in the weather conditions in a specific month? Select the month below.

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  • Weather and climate has detailed information for every country in the world. Are you going to South Africa? Get detailed historical weather averages for many cities in South Africa.

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