Benchmarked strictly across TripTiming's 5 empirical pillars: Crowds, Weather, Vibes, Prices, and Safety.
While Cape Town captures an advantage on pure Weather (99 vs 88) with 22°C ambient temperatures, Zanzibar decisively captures March on Crowds (69 vs 50) and Prices (78 vs 72). Cape Town suffers from seasonal congestion and peak lodging premiums ($180/night), whereas Zanzibar delivers a more balanced, friction-free itinerary with approximately $490 in lodging savings on a 7-night stay ($110/night vs $180/night).