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The weather in April in Johannesburg

It's warm in April in Johannesburg with an average temperature of 24°C. Temperatures this month range from a low of 22°C to a high of 26°C. At night, you can expect temperatures between 10°C and 15°C.

Looking for great weather? April is a good time to be in Johannesburg. The temperatures are nice, and there’s not too much rain.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in April for Johannesburg, South Africa. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 30°C in 2017, Johannesburg reached the highest temperature in April over the past 10 years. The lowest daytime temperature in this month was 12°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of 4°C to a highest value of 18°C.

Rainfall amount

In April, there is an average of 68 mm of precipitation, spread over 10 days. The wind speed is around 3 Bft, mostly coming from the Southwest.

Daily weather in April for Johannesburg

Click on any day in April to get detailed info about the usual weather on that day in Johannesburg. Check out the historical temperatures and precipitation over the past 10 years on this day.

April weather comparison

  Johannesburg New York
Average temperature 24°C 17°C
Max. temperature 26°C 22°C
Min. temperature 10°C -5°C
Total precipitation 68 mm 81 mm
Rainy days 10 days 11 days

Start of April

The month of April starts in Johannesburg with warm temps, averaging around 24°C during the day and nights around 14°C.

Mid April

By mid-April, daytime temps stay steady at around 24°C, with nights around 12°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.

End of April

By the end of April, the average daytime temperature in Johannesburg is around 24°C, while nighttime temps are about 11°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.

Find affordable trips to Johannesburg

UV index

The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

Check out the climate of Johannesburg for all months and discover the best travel time

Curious about the weather in other parts of South Africa? Check out the climate and weather for spots like Cape Town, Krugerpark, Stellenbosch, or explore other destinations in South Africa.

Temperature charts

These charts show the average temperatures in April in Johannesburg, South Africa. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in April in Johannesburg

Temperature in April in Johannesburg over the years

Precipitation charts

These charts show the average amount of precipitation in April in Johannesburg, South Africa. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in April in Johannesburg

Total precipitation in April in Johannesburg over the years

Daily UV index in April in Johannesburg

This chart shows the average daily UV index in April in Johannesburg, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in April in Johannesburg

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Average weather in Johannesburg by month

Click on a month below to see detailed weather info for Johannesburg. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.