Western Cape weather in August
August is one of the least pleasant months in Western Cape: highs of 16°C (60°F) and about 76 mm (3.0 in) of rain on average. Nights average 13°C (55°F) and cloud cover 41% (NASA POWER, 2001–2025 averages). The sea averages 14°C (58°F). It is the 3rd wettest month of the year and the coolest. Compared with July, it is about as warm and about as wet; September brings highs of 17°C (62°F) and 40 mm (1.6 in) of rain.
Figures are long-term averages for Cape Town, the largest city in Western Cape. See below for other places.
Is August a good time to visit Western Cape?
least pleasant month Weather score 66/100.
August is one of the least pleasant months for weather in Western Cape. For better conditions, consider Nov–Apr.
Does it rain a lot in Western Cape in August?
Some rain is normal: about 76 mm (3.0 in) falls in an average August. It is the 3rd wettest month of the year.
How warm is Western Cape in August?
Days average 16°C (60°F) and nights 13°C (55°F).
Western Cape weather by month
| Month | High | Low | Rain | Cloud | Sea | Weather |
|---|---|---|---|---|---|---|
| January | 22°C (71°F) | 18°C (65°F) | 14 mm | 25% | 14°C (58°F) | best |
| February | 22°C (72°F) | 19°C (65°F) | 9 mm | 25% | 15°C (59°F) | best |
| March | 21°C (70°F) | 18°C (64°F) | 17 mm | 26% | 15°C (60°F) | best |
| April | 19°C (67°F) | 16°C (61°F) | 37 mm | 32% | 14°C (57°F) | best |
| May | 18°C (64°F) | 15°C (59°F) | 51 mm | 41% | 14°C (57°F) | fair |
| June | 16°C (62°F) | 14°C (57°F) | 91 mm | 41% | 14°C (57°F) | least pleasant |
| July | 16°C (60°F) | 13°C (56°F) | 81 mm | 38% | 14°C (57°F) | least pleasant |
| August | 16°C (60°F) | 13°C (55°F) | 76 mm | 41% | 14°C (58°F) | least pleasant |
| September | 17°C (62°F) | 14°C (56°F) | 40 mm | 40% | 14°C (57°F) | fair |
| October | 18°C (64°F) | 15°C (58°F) | 31 mm | 35% | 14°C (57°F) | fair |
| November | 19°C (66°F) | 16°C (60°F) | 30 mm | 32% | 13°C (55°F) | best |
| December | 21°C (69°F) | 17°C (63°F) | 12 mm | 27% | 14°C (58°F) | best |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), sea temperature from Open-Meteo Marine. Page updated . How we rate months
Weather across Western Cape in August
Weather can differ a lot within Western Cape: coasts, hills and mountains each have their own climate.
| Place | High | Low | Rain | Weather |
|---|---|---|---|---|
| Cape Town | 16°C (60°F) | 13°C (55°F) | 76 mm | least pleasant |
| Athlone | 15°C (60°F) | 9°C (47°F) | 121 mm | least pleasant |
| Paarl | 16°C (61°F) | 7°C (45°F) | 121 mm | least pleasant |
| Somerset West | 15°C (60°F) | 9°C (47°F) | 121 mm | least pleasant |
| George | 18°C (65°F) | 10°C (50°F) | 52 mm | fair |
| Worcester | 14°C (58°F) | 4°C (39°F) | 104 mm | least pleasant |
| Stellenbosch | 15°C (60°F) | 9°C (47°F) | 121 mm | least pleasant |
| Atlantis | 16°C (61°F) | 7°C (45°F) | 121 mm | least pleasant |
| Mossel Bay | 19°C (66°F) | 7°C (45°F) | 47 mm | fair |
| Oudtshoorn | 18°C (64°F) | 4°C (39°F) | 46 mm | fair |
| Knysna | 18°C (64°F) | 9°C (48°F) | 56 mm | fair |
| Saldanha | 17°C (62°F) | 10°C (50°F) | 62 mm | least pleasant |