Weather in Johannesburg in March 2025
Average weather
Average temperature in Johannesburg in March
Going from a maximum of +31°C during the day to a minimum of +9°C during the night, the temperature in March averages around +25°C.
The average maximum temperature goes down 50% by the end of the month, compared with the beginning of the month, from +28°C to +17°C.
Is Johannesburg warm or cold in March?
Johannesburg is typically warm in March.
Maximum temperatures go down compared to the previous month from +25°C to +24°C. The minimum temperature also goes down from +14°C to +13°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how March is compared to other months in Johannesburg:
Climate in Johannesburg in March
| February | March | April | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +25°C | +24°C | +21°C | ||||
| Min. temperature | ||||||
| +9°C | +6°C | 0°C | ||||
| Max. temperature | ||||||
| +34°C | +32°C | +29°C | ||||
| Rainfall | ||||||
| 119 mm | 90 mm | 51 mm | ||||
| Wind | ||||||
| 1 m/s | 1 m/s | 1 m/s | ||||
| Humidity | ||||||
| 72% | 71% | 68% | ||||
| Air pressure | ||||||
| 1015 HPa | 1017 HPa | 1019 HPa | ||||
| Sunny days | ||||||
| 5 | 8 | 11 | ||||
| Cloudy days | ||||||
| 3 | 4 | 6 | ||||
| Rainy days | ||||||
| 20 | 19 | 13 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
March weather is still as good as in February. It’s getting colder in March. From +25°C in the day, the average maximum temperature lowers to +24°C. As March arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 119 mm to 90 mm. It feels drier, as humidity decreases from 72% to 71%. The average wind speed doesn’t change much during March, staying around 1 m/s. The good news is there are likely to be more sunny days in March, from 5 to 8.
April brings much the same weather, it remains good.
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 March, going from 1 m/s to 1 m/s over the course of the month.
Rain
How was the weather last March in Johannesburg?
Climate Change over Years
The climate in Johannesburg in March 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 March a good time to visit Johannesburg?
Can you sunbathe in Johannesburg in March?
Is Johannesburg rainy in March?
Is it sunny in Johannesburg in March?
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.