Weather in Johannesburg in April
April in Johannesburg is mild with average temperatures around 17.3°C (63.1°F). Light rainfall with only 43mm expected.
Data Note: Temperature values are 2001–2020 satellite/reanalysis grid averages from NASA POWER and may differ from airport station normals by a few degrees.
Temperature
High
24.3°C
75.7°F
Low
10.4°C
50.7°F
Precipitation
43 mm
1.7 inches
~8 rainy days
Conditions
Humidity
62%
Comparison to Adjacent Months
April is 3.0°C cooler than March, 30mm drier than March.
April is 3.1°C warmer than May, 27mm wetter than May.