Average humidity in Johannesburg

On this page you find more information about the monthly relative humidity over the year in Johannesburg (Gauteng), South Africa.

Johannesburg shows variation in the level of humidity throughout the year. The highest humidity is noted duing February, it reaches up to 70%, which is categorized as high.

On the other hand, the lowest humidity is recorded in August, with levels falling to 46%.

The average humidity in Johannesburg is approximately 59%, which is moderate.

Humidity is an essential factor in how you experience temperature. During the warmest month, January, the temperature is around 27°C. When this period is accompanied by high humidity, it results in a higher perceived temperature. This can cause greater discomfort, while in winter it can make the air feel much colder, adding to the cooler temperatures. Check out our detailed temperature page for more information.