Cool
Average highs are around 18°C, so pack for cooler days.
July verdict
Mixed for holiday weather
Average highs are around 18°C, so pack for cooler days. Sunshine averages 9.2h per day, so bright days are a strong part of the month. Rainfall averages 4mm, which is relatively low for holiday planning.
Monthly averages
Temp
18°C
Rain
4mm
Sun
9.2h
Weather score
53
Mixed
Cool
Average highs are around 18°C, so pack for cooler days.
Drier
Rainfall averages 4mm, which is relatively low for holiday planning.
Bright
Sunshine averages 9.2h per day, so bright days are a strong part of the month.
Map
Compare Johannesburg, Gauteng, South Africa with nearby places by weather score, rain, sun, temperature, and swim conditions.
July18°C average high
July has some of the coolest average daytime highs of the year, so pack for fresher conditions.
Warmest monthsJanuary to March and October to December
This stretch sets the upper range for average daytime heat.
July4mm average rain
July 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.
July9.2 hours average sun
July is brighter than Johannesburg's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsJuly to September
This stretch has the strongest sunshine in the monthly averages.
July53 weather score
July is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJanuary to March and September to December
These months have the strongest weather score in the monthly averages.
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