The month in detail
What to expect in August
Even in winter, Johannesburg enjoys 21°C. A real asset for escaping the European cold. Rain is virtually absent (3% of days) — ideal for planning without a backup. A good balance between weather and crowds, even if September (9.0/10) remains theoretically better.
August ranks 2 out of 12 months in Johannesburg. Compared to July: +4°C daytime.
This month's conditions
What it's like in August
UV index
6 · high
sunscreen and hat advised
Feels like
dry air
-2°
Daylight
11.1h of daylight
Air quality
fair
AQI 53
Compare
Is August the right month?
The best month in Johannesburg is September (9.0/10), 0.4 pt higher than August.
Book
Plan your trip
Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.
Stay
Hotels & rentals · Johannesburg
Expedia →
Activities
Tours, tickets, experiences
See ↓
Flights
Multi-airline comparator
Kiwi →
🎟️ Activities & tours · Johannesburg
GetYourGuide selection · free cancellation
Practical info
What you need to know before you go
Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a city break.
Country · South Africa
🗣️LanguageZulu
💶CurrencySouth African Rand (R)
🚗DrivingLeft-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘCheap · 2/5
🌡️ Climate
🌍Climate typeTemperate
📈Climate trend ⓘStable
🔥Hottest monthOctober · 26°C
❄️Coolest monthJuly · 17°C
🌧️Rainiest month ⓘDecember · 41%
🏛️ City break
📅Tourist peak seasonJune → August
☔Indoor sights ⓘYear-round
🚇Public transportGood
Explore
Other destinations in August
If August doesn't convince you for this destination, compare with others.
Location
Where is Johannesburg ?
Global position + regional geographic context.
🌍 World
🔍 Geographic context
South AfricaTemperate climate with a 9.0 → 7.9 gap between best and worst month. 10 years of ERA5 data to choose by project.
26.20°S · 28.05°E
Questions
Frequently asked questions
What is the best time to visit Johannesburg?
September is the best month with 25.0°C highs, 10.0°C lows, 9.4h of sunshine and 6.0% rainy days. The months of September & August offer comparable conditions.
How many hours of sunshine does Johannesburg get in September?
Johannesburg averages 9.4 sunshine hours per day in September. It is the sunniest month with a climate score of 8.7/10.
What is the rainiest month in Johannesburg?
July is the most unfavourable month with July has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Johannesburg in September?
In September, overnight lows reach 10.0°C, while afternoon highs average 25.0°C.
Is Johannesburg good in winter?
In winter (December-February), Johannesburg scores 7.6/10 on average — Decent period conditions for cultural visits.. The best month overall remains September with a score of 8.7/10.
When should you avoid Johannesburg?
July is the most difficult month to visit Johannesburg, with July has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Do you need sun protection in Johannesburg in August?
The average UV index reaches 6 in August in Johannesburg (high), with about 11.1h of daylight. Sunscreen and hat advised.