Weather in Johannesburg in April 2025
Average weather
Average temperature in Johannesburg in April
Going from a maximum of +27°C during the day to a minimum of +7°C during the night, the temperature in April averages around +24°C.
The average maximum temperature goes up 5% by the end of the month, compared with the beginning of the month, from +24°C to +25°C.
Is Johannesburg warm or cold in April?
Johannesburg is typically mild in April.
Maximum temperatures go down compared to the previous month from +24°C to +21°C. The minimum temperature also goes down from +13°C to +10°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how April is compared to other months in Johannesburg:
Climate in Johannesburg in April
| March | April | May | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +24°C | +21°C | +19°C | ||||
| Min. temperature | ||||||
| +6°C | 0°C | -3°C | ||||
| Max. temperature | ||||||
| +32°C | +29°C | +27°C | ||||
| Rainfall | ||||||
| 90 mm | 51 mm | 18 mm | ||||
| Wind | ||||||
| 1 m/s | 1 m/s | 1 m/s | ||||
| Humidity | ||||||
| 71% | 68% | 61% | ||||
| Air pressure | ||||||
| 1017 HPa | 1019 HPa | 1021 HPa | ||||
| Sunny days | ||||||
| 8 | 11 | 19 | ||||
| Cloudy days | ||||||
| 4 | 6 | 6 | ||||
| Rainy days | ||||||
| 19 | 13 | 5 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
April weather is still as good as in March. It’s getting colder in April. From +24°C in the day, the average maximum temperature lowers to +21°C. As April arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 90 mm to 51 mm. It feels drier, as humidity decreases from 71% to 68%. The average wind speed doesn’t change much during April, staying around 1 m/s. The good news is there are likely to be more sunny days in April, from 8 to 11.
But maybe it is worth considering traveling in May as the weather gets better.
Wind
The average wind speed is 1 m/s getting up to 2 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Johannesburg is gradually increasing during April, going from 1 m/s to 1 m/s over the course of the month.
Rain
How was the weather last April in Johannesburg?
Climate Change over Years
The climate in Johannesburg in April has not changed much over the last 43 years.
The average temperature was the lowest in 2000 (+20°C) and the highest in 2015 (+25°C). The driest year was 2015 with only 464 mm of rainfall, and the wettest year was 2022 with 1539 mm.
FAQ
Is April a good time to visit Johannesburg?
Can you sunbathe in Johannesburg in April?
Is Johannesburg rainy in April?
Is it sunny in Johannesburg in April?
Other cities in South Africa
Monthly weather in Johannesburg
Source of the data
For this page, we’ve looked at the typical weather in Johannesburg, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.