Is Cape Town hot in August?
Days are typically mild at 18.9°C, while nights average 7.3°C.
South Africa · 1991–2020 normal
Typical August weather in Cape Town: 18.9°C by day, 7.3°C at night, 92 mm of rain over 12.6 wet days. These are measured 1991–2020 station normals, not a forecast.
In the year-round weather comparison, August scores 53 out of 100 (November leads the year at 93). Daylight is calculated as 10 h 52 from latitude -33.93°.
August at a glance
Plain answers from the measured climate record—not a forecast or a promise about a particular trip.
Days are typically mild at 18.9°C, while nights average 7.3°C.
The measured monthly average is 92 mm across about 13 wet days.
There are about 10 h 52 between sunrise and sunset at mid-month, calculated from the place latitude.
August ranks 10 of 12 in our weather comparison; November ranks first.
The evidence behind this page
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The weather comparison for Cape Town is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
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