Click on a day for an hourly weather forecast
The temperatures in Cape Town in August are usually low and can range between 11°C and 17°C.
You can expect about 3 to 8 days of rain in Cape Town during the month of August. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Cape Town in August 2025.
If you’re planning to visit Cape Town in the near future, we highly recommend that you review the 14 day weather forecast for Cape Town before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 26° / 18° | 1 | 30 | 0 | 19 mm | Perfect | Cape Town in January |
| February | 27° / 18° | 1 | 27 | 0 | 15 mm | Perfect | Cape Town in February |
| March | 25° / 17° | 2 | 29 | 0 | 28 mm | Perfect | Cape Town in March |
| April | 23° / 16° | 3 | 27 | 0 | 65 mm | Perfect | Cape Town in April |
| May | 20° / 14° | 5 | 26 | 0 | 115 mm | Good | Cape Town in May |
| June | 18° / 12° | 7 | 23 | 0 | 215 mm | Ok | Cape Town in June |
| July | 17° / 11° | 5 | 26 | 0 | 134 mm | Good | Cape Town in July |
| August | 17° / 11° | 7 | 24 | 0 | 160 mm | Ok | Cape Town in August |
| September | 19° / 12° | 5 | 25 | 0 | 85 mm | Good | Cape Town in September |
| October | 21° / 13° | 3 | 28 | 0 | 53 mm | Good | Cape Town in October |
| November | 23° / 15° | 3 | 27 | 0 | 49 mm | Perfect | Cape Town in November |
| December | 25° / 17° | 2 | 29 | 0 | 27 mm | Perfect | Cape Town in December |