Upvote:3
Bloemfontein is semi-tropical high plains (1400 metres ASL) with temperatures even in July, its mid winter, not far off what most temperate communities in North America and Western Europe might see in April or September.
As shown, freezing temperatures are rare even in the depths of "winter".
El Paso Texas is probably the closest U.S. comparable, though slightly further from the equator and not quite as high.