The climate in Johannesburg during July can be summarized as mild and very dry.
July is in the winter in Johannesburg and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a cool 18°C (63°F), whilst at night 3°C (37°F) is normal.
|Daytime temperature||17.5°C 63.4°F|
|Nightly temperature||3°C 37.3°F|
|Average temperature||10.2°C 50.4°F|
|Daily sunshine||10 hrs|
|Avg rainfall||4 mm 0.1 ins|
|Rainy days||1 days|
|Sea temperature||20.7°C 69.2°F|
|Windspeed||8.6kph 5 mph|
On average July is the driest month of the year in Johannesburg with around 4mm 0.1 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 10 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Johannesburg in July 2023.
|Hottest month:||January||26.1°C 79°F|
|Driest month:||July||4mm 0.2ins|
|Coldest month:||June||16.4°C 61.5°F|
|Wettest month:||January||135mm 5.3ins|