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Johannesburg weather in August 2026
Expect daytime maximum temperatures of 20°C in Johannesburg, South Africa in August based on long-term weather averages. There are 10 hours of sunshine per day on average.
- 20°C max day temperature
20 - 10 hours of sunshine per day
- 2 days with some rainfall
2 - 5°C min night temperature
5 - 11 hours of daylight per day
11 - No heat & humidity
0 - 8 mm of monthly rainfall
8 - 7 (High) UV index
7
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Recommended for South Africa
The August weather guide for South Africa (Johannesburg) 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.
Metric (°C / mm) | Imperial (°F / inches)
More about South Africa
How warm is it in Johannesburg in August?
Daytime temperatures usually reach 17°C in Johannesburg in August, falling to 8°C at night.
How sunny is it in Johannesburg in August?
There are normally 7 hours of bright sunshine each day in Johannesburg in August - that's 60% of daylight hours.
How warm is the sea around Johannesburg in August?
The average sea temperature around Johannesburg in August is 15°C.
Does it rain in Johannesburg in August?
There are usually 14 days with some rain in Johannesburg in August and the average monthly rainfall is 163mm.
Johannesburg August sunrise & sunset times
Browse the sunrise and sunset times for Johannesburg in August 2026. Select a month to view Johannesburg sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Saturday, 1st August 2026 | 06:47 | 17:42 |
| Sunday, 16th August 2026 | 06:36 | 17:49 |
| Monday, 31st August 2026 | 06:22 | 17:55 |
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