Best time to visit Zanzibar: June–October.
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June–October is the best window to visit Zanzibar. The dry season, with sunny days and lower humidity.
March–May is the stretch to avoid if possible. The "masika" long rains — the wettest, heaviest-rain stretch of the year.
Not necessarily — weather and crowd timing don't always match the cheapest airfare windows. Check our Best Time to Book Flights tool separately for pricing.
Usually yes — the weeks just before or after Zanzibar's best window often have nearly as good weather with noticeably fewer crowds and lower prices.