Barometric Pressure in Johannesburg, Gauteng, ZA

The pressure in Johannesburg, South Africa is predicted to slowly drop over the next few hours, with an average pressure of 830.3 hPa today, which is lower than normal.

Weather prediction: Expect more wet and unsettled conditions

The daily total fluctuation in pressure in Johannesburg is 3.9 hPa, with a low of 828.1 hPa and a high of 832 hPa. The daily average here is lower than in most cities around the world.

Forecast

The weather in Johannesburg, Gauteng, South Africa is affected by the city's location in a high-altitude valley. This creates changes in barometric pressure that bring different weather conditions.

Johannesburg's high elevation and surrounding mountains influence atmospheric pressure, causing it to vary greatly over short distances. This leads to changing weather patterns.

During summer, barometric pressure is typically low, bringing hot and rainy weather. In winter, pressure is high, resulting in cooler and drier conditions.

Johannesburg has a subtropical highland climate, which means it experiences large fluctuations in barometric pressure, leading to varied and unpredictable weather.