20 January 1939
On this day in history, the highest temperature ever recorded in the shade was noted at Goodhouse, in the Cape Province. The temperature reached 47, 8º Celsius, the highest temperature of this nature recorded up to the year 2000.
References
Wallis, F. (2000). Nuusdagboek: Feite en Fratse oor 1000 jaar, Kaapstad: Human & Rousseau. (From Archive)