October weather forecast
Johannesburg, South Africa

In Johannesburg, October experiences the full swing of spring, showing a significant increase in temperatures and rainfall. The precipitation rises to 72mm (2.83"), a substantial increase from the 27mm (1.06") recorded in September. In tandem with the return of rainfall, humidity levels also rise, adding a refreshing quality to the air. Despite increased rainfall, predicted daylight and sunshine hours remain significant, enabling residents and visitors to partake in outdoor activities under the lovely October spring sunshine.

Temperature

The initiation of October in Johannesburg, South Africa, sees an average high-temperature of a moderately hot 23.8°C (74.8°F), showing minor variations from the previous month. Johannesburg records a marked daily temperature contrast, with an average low-temperature of 11.2°C (52.2°F) during the nights of October.

Humidity

In Johannesburg, South Africa, the average relative humidity in October is 56%.

Rainfall

In October, the rain falls for 9.8 days. Throughout October, 72mm (2.83") of precipitation is accumulated. Throughout the year, in Johannesburg, there are 99.3 rainfall days, and 713mm (28.07") of precipitation is accumulated.

Daylight

In Johannesburg, the average length of the day in October is 12h and 43min.
On the first day of October, sunrise is at 05:46 and sunset at 18:07. On the last day of the month, sunrise is at 05:18 and sunset at 18:24 SAST.

Sunshine

The average sunshine in October in Johannesburg is 8.7h.

UV index

The average daily maximum UV index in October is 11. A UV Index value of 11, and more, symbolizes an excessive health risk from exposure to the Sun's UV radiation for the average person.
Note: The UV index of 11 in October translates into these instructions:
Ensure every key safety measure. People with light skin might sustain burns in fewer than 5 minutes. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.