The best time to visit the Kalahari Desert in South Africa is from May to September, when the region experiences its dry winter season. Cooler temperatures make outdoor activities more comfortable, while sparse vegetation can improve wildlife viewing, particularly around water sources. Summer brings hotter conditions and seasonal rainfall, which can make some journeys more challenging. However, the landscape becomes greener during this period, offering a different side of the Kalahari for travelers who prefer fewer visitors and vibrant scenery.