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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Story Native weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Zanzibar has a tropical climate with warm temperatures year-round, typically between 25°C and 32°C. The best months for dry, sunny weather are June through October, while the long rains fall from March to May and short rains arrive in November and December.
What is the weather like each month in Zanzibar?
Zanzibar’s seasons are defined by two monsoon-driven rainy periods. The long rains (Masika) run from March to May, with April being the wettest month. The short rains (Vuli) occur in November and December, often as brief afternoon showers. The dry season from June to October offers the most reliable sunshine and lower humidity, making it the peak travel window. January and February are hot and dry, with February often the hottest month. For specific planning, zanzibar weather by month rain totals show March and April receive over 200mm each, while July and August see less than 30mm.
When is the best time to visit Zanzibar?
For beach and outdoor activities, the dry months of June, July, August, September, and October are ideal. Zanzibar weather september and zanzibar weather october are particularly pleasant, with clear skies and moderate humidity. If you prefer fewer crowds, consider zanzibar weather february or zanzibar weather march, though March marks the start of the long rains. The shoulder months of January and February offer hot, dry conditions but can be humid.
Does it rain every day in Zanzibar during the wet season?
No. During the long rains (March–May) and short rains (November–December), rain typically falls in heavy but short bursts, often in the afternoon or evening. Mornings can still be sunny.
Is Zanzibar humid all year?
Yes, humidity is generally high, ranging from 70% to 85%. It feels most oppressive during the rainy months and in February. The dry season, especially July and August, offers slightly lower humidity and cooling sea breezes.
What is the sea temperature in Zanzibar?
The Indian Ocean around Zanzibar stays warm year-round, between 25°C and 29°C. It is coolest in August and warmest in March and April, making swimming and snorkelling comfortable in any month.
For more UK-focused forecasts, see our UK weather hub or check the 10 day weather forecast UK. If you are comparing climates, our Bristol Weather page offers a temperate contrast.