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South Africa weather in August 2025
Expect 17°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in South Africa in August. Check more long-term weather averages for South Africa in August before you book your next holiday to South Africa in 2025/2026.
- 17°C max day temperature
17 - 7 hours of sunshine per day
- 14 days with some rainfall
14 - 8°C min night temperature
8 - 11 hours of daylight per day
11 - No heat & humidity
0 - 163 mm of monthly rainfall
163 - 4 (Moderate) UV index
4 - 15°C sea temperature
15
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The August weather guide for South Africa (Cape Town) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Top South Africa destinations
Below are average maximum temperatures at popular countries, regions and places in South Africa in August. Select a holiday destination to see more weather parameters.
All South Africa destinations
- Bergville
- Bloemfontein
- Calvinia
- Cape Town
- Durban
- East London
- Estcourt
- Graaf-reinet
- Johannesburg
- Kimberley
- Knysna
- Ladysmith
- Leataba Rest Camp
- Mthatha
- Musina
- Okiep
- Oudtshoorn
- Pietermaritzburg
- Polokwane
- Port Elizabeth
- Port St Johns
- Pretoria
- Skukuza Restcamp
- St Lucia
- Stellenbosch
- Sun City
- Underberg
- Upington
Metric (°C / mm) | Imperial (°F / inches)
More about South Africa
How warm is it in South Africa in August?
Daytime temperatures usually reach 17°C in Cape Town, South Africa in August, falling to 8°C at night.
How sunny is it in South Africa in August?
There are normally 7 hours of bright sunshine each day in Cape Town, South Africa in August - that's 60% of daylight hours.
How warm is the sea around South Africa in August?
The average sea temperature around Cape Town, South Africa in August is 15°C.
Does it rain in South Africa in August?
There are usually 14 days with some rain in Cape Town, South Africa in August and the average monthly rainfall is 163mm.
South Africa August sunrise & sunset times
Browse the sunrise and sunset times for South Africa in August 2025. Select a month to view South Africa sunrise and sunset times for the next 12 months. The South Africa sunrise and sunset times shown below are for Cape Town.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Friday, 1st August 2025 | 07:39 | 18:07 |
| Saturday, 16th August 2025 | 07:24 | 18:17 |
| Sunday, 31st August 2025 | 07:06 | 18:28 |
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