The best months to visit South Africa are July and August. See monthly temperatures, rainfall and rain days (1991–2020 averages) to plan your trip.
Average daytime high and monthly rainfall in South Africa: January 28°C / 101mm; February 28°C / 98mm; March 26°C / 84mm; April 24°C / 38mm; May 22°C / 16mm; June 19°C / 7mm; July 19°C / 3mm; August 22°C / 7mm; September 27°C / 17mm; October 28°C / 61mm; November 27°C / 87mm; December 27°C / 109mm.