Mild
Average highs are around 21°C, so days are mild rather than hot.
Weather Guide
Johannesburg, Gauteng, South Africa Average Monthly Weather
Weather score63Good annual avg
Best months: September, February, December
Across the year, average daytime temperatures are around 23°C, sunshine averages 8.7h per day, and rainfall totals about 711mm.
Annual weather
Annual averages
Temp
23°C
Rain
711mm
Annual total
Sun
8.7h
Weather score
63
Good avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 7mm, which is relatively low for holiday planning.
Bright
Sunshine averages 9.5h per day, so bright days are a strong part of the month.
Map
Weather map
Compare Johannesburg, Gauteng, South Africa with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August21°C average high
August is on the cooler side of Johannesburg's year, useful if you prefer less intense daytime heat.
Warmest monthsJanuary to March and October to December
This stretch sets the upper range for average daytime heat.
Rain
August7mm average rain
August is one of Johannesburg's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsMay to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August9.5 hours average sun
August is one of Johannesburg's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsJuly to September
This stretch has the strongest sunshine in the monthly averages.
Weather score
August61 weather score
August sits close to Johannesburg's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJanuary to March and September to December
These months have the strongest weather score in the monthly averages.
Hotels in Johannesburg, Gauteng, South Africa
Marriott
Johannesburg Marriott Hotel Melrose ArchJohannesburg, Gauteng, South Africa
African Pride Melrose Arch, Autograph Collection®Johannesburg, Gauteng, South Africa
Ten Bompas Hotel, Johannesburg, a Member of Design Hotels™Johannesburg, South Africa
Protea Hotel Fire & Ice! Johannesburg Melrose ArchJohannesburg, South Africa
Protea Hotel O.R. Tambo AirportJohannesburg, South Africa
Marriott Executive Apartments Johannesburg, Melrose ArchJohannesburg, Gauteng, South Africa