About Barberton, Mpumalanga's Climate & Weather History

Barberton, in Mpumalanga, South Africa, is home to roughly 67,900 people in the Africa/Johannesburg time zone at 25.8°S latitude.

In 2025, Barberton recorded an average annual temperature of 68°F. The hottest temperatures reached 97°F in September; the coolest were 41°F in July. Total precipitation for the year was 32 inches, with the wettest month being December.