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South AfricaThe weather in August in Cape Town
It's pleasantly warm in August in Cape Town with an average temperature of 19°C. Temperatures this month range from a low of 17°C to a high of 21°C. At night, you can expect temperatures between 8°C and 11°C.
Looking for great weather? August is a good time to be in Cape Town. The temperatures are nice, and there’s not too much rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in August for Cape Town, South Africa. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 31°C in 2023, Cape Town reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 11°C in 2018. The extreme nighttime temperatures ranged from a lowest recorded value of 2°C to a highest value of 15°C.
Water temperature
The water temperature at Cape Town is 17°C this month. You can swim, but it's a bit chilly.
Rainfall amount
In August, there is an average of 81 mm of precipitation, spread over 11 days. The wind speed is around 4 Bft, mostly coming from the Southwest.
Daily weather in August for Cape Town
Click on any day in August to get detailed info about the usual weather on that day in Cape Town. Check out the historical temperatures and precipitation over the past 10 years on this day.
August weather comparison
| Cape Town | New York | |
|---|---|---|
| Average temperature | 19°C | 30°C |
| Max. temperature | 21°C | 31°C |
| Min. temperature | 8°C | -5°C |
| Total precipitation | 81 mm | 79 mm |
| Rainy days | 11 days | 13 days |
Start of August
The month of August starts in Cape Town with mild temps, averaging around 19°C during the day and nights around 9°C.
Mid August
By mid-August, daytime temps stay steady at around 19°C, with nights around 10°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of August
By the end of August, the average daytime temperature in Cape Town is around 19°C, while nighttime temps are about 9°C. A shower might pop up, but overall, the weather will be dry and sunny.
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UV index
The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Check out the climate of Cape Town for all months and discover the best travel time
Curious about the weather in other parts of South Africa? Check out the climate and weather for spots like Krugerpark, Johannesburg, Stellenbosch, or explore other destinations in South Africa.
Temperature charts
These charts show the average temperatures in August in Cape Town, South Africa. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in August in Cape Town
Temperature in August in Cape Town over the years
Precipitation charts
These charts show the average amount of precipitation in August in Cape Town, South Africa. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in August in Cape Town
Total precipitation in August in Cape Town over the years
Daily UV index in August in Cape Town
This chart shows the average daily UV index in August in Cape Town, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in August in Cape Town
Have you been to Cape Town in August?
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Average weather in Cape Town by month
Click on a month below to see detailed weather info for Cape Town. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.