The weather in South Africa on wednesday 21 May 2025
The average max temperature in South Africa on 21 May is normally around 20°C. For comparison, the highest daytime temperature in the past 10 years was 24°C in 2020, while the lowest was 16°C in 2021.
There’s a small chance of precipitation, as 4 of the past 10 years saw precipitation on this day, averaging 12,6 mm.The wind often comes from the Southwest with a maximum speed of 4 Bft.The UV index can reach 5.
Temperature on 21 May in South Africa per year
This chart shows the average temperature on 21 May in South Africa, measured in degrees Celsius, over the past years.
Precipitation on 21 May in South Africa over the past years
This chart shows the total measured precipitation in millimeters on 21 May in South Africa over the past years.
Average Weather in South Africa by Month
Click on a month below to see detailed weather info for South Africa. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of South Africa for all months at once