Johannesburg Weather in May

What's the weather like in Johannesburg (Gauteng) in May 2024?

The climate in Johannesburg during May can be summarized as mild and dry.

May is in the fall / autumn in Johannesburg and is typically the 4th coldest month of the year. Daytime maximum temperatures average around 20°C (68°F), whilst at night 6°C (43°F) is normal.

Johannesburg weather averages (imperial / metric)
Daytime temperature 19.7°C 67.5°F
Nightly temperature 6.3°C 43.3°F
Average temperature 13°C 55.4°F
Daily sunshine 9.6 hrs
Avg rainfall 15 mm 0.6 ins
Rainy days 3 days
Sea temperature 22.7°C 72.8°F
Humidity 56%
Windspeed 7.6kph 5 mph

On average May is the 4th driest month of the year in Johannesburg with around 15mm 0.6 inches of rain making it a dry time to visit. This rainfall is typically spread over 3 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.6 hours of sunshine per day.

May temperatures in Johannesburg

Johannesburg average temperature in May

May rainfall

Johannesburg average rain in May

May hourly sunshine

Johannesburg average rain in May

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 May 2024.

Other monthly averages

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Johannesburg weather stats

Johannesburg weather statistics
Hottest month: January 26.1°C 79°F
Driest month: July 4mm 0.2ins
Sunniest month: July 10hrs
Coldest month: June 16.4°C 61.5°F
Wettest month: January 135mm 5.3ins
Map showing location of Johannesburg (-26.20227, 28.04363) Johannesburg map pin © Google

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