Cape Town Weather in August
What's the weather like in Cape Town (Western Cape) in August 2025?
The climate in Cape Town during August can be summarized as mild and wet.
August is in the winter in Cape Town and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a cool 17°C (62°F), whilst at night 8°C (47°F) is normal.
| Daytime temperature | 16.8°C 62.2°F |
|---|---|
| Nightly temperature | 8.1°C 46.5°F |
| Average temperature | 12.4°C 54.3°F |
| Daily sunshine | 7 hrs |
| Avg rainfall | 163 mm 6.4 ins |
| Rainy days | 14 days |
| Sea temperature | 15°C 58.9°F |
| Humidity | 77% |
| Windspeed | 16.2kph 10 mph |
On average August is the 3rd wettest month of the year in Cape Town with around 163mm 6.4 inches of rain making it a wet time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.
On the flip side this corresponds to an average of 7 hours of sunshine per day.
August temperatures in Cape Town
August rainfall
August hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Cape Town in August 2025.
Other monthly averages
Best places to visit in August
Cape Town weather stats
| Hottest month: | February | 24.8°C 76.6°F |
|---|---|---|
| Driest month: | February | 31mm 1.2ins |
| Sunniest month: | February | 11hrs |
| Coldest month: | July | 16.2°C 61.2°F |
| Wettest month: | June | 189mm 7.4ins |
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