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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the NewsPrism weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Zanzibar weather by month is consistently warm, with a tropical climate split into two rainy seasons and two dry seasons; the best time for visitors is June to October, when rainfall is lowest and humidity is most comfortable.
What does the weather in Zanzibar look like month by month?
January and February are hot and relatively dry, with average highs around 32°C and low rainfall. March sees the start of the long rains (Masika), peaking in April and May — these are the wettest months, often with heavy downpours and high humidity. June and July mark the coolest, driest period, with south-easterly trade winds bringing lower humidity and temperatures around 28°C. August to October remains pleasant, with September and October offering a short dry spell before the short rains (Vuli) arrive in November and early December. December is warm and often wet, but still popular for holidays.
- January – February: Hot and dry; little rain, sea breezes.
- March – May: Long rains; April wettest month, high humidity.
- June – October: Cooler, drier, and less humid; peak travel season.
- November – December: Short rains; December can be showery but warm.
When is the best time to visit Zanzibar based on monthly weather?
The ideal window is June to October, when days are sunny, rainfall minimal, and the risk of tropical storms low. For those interested in Zanzibar weather september or Zanzibar weather october, these months offer the most reliable dry conditions. February also provides good weather, though it is hotter. Travelers wanting to avoid peak crowds may consider Zanzibar weather march, which is still warm but sees rising rain.
What is the rainy season in Zanzibar?
Zanzibar has two rainy seasons: the long rains (Masika) from March to May, peaking in April, and the short rains (Vuli) from November to early December. The short rains are usually less intense and shorter in duration.
Is February a good month to visit Zanzibar?
Yes, February offers hot, largely dry weather with sea temperatures around 28°C, ideal for swimming. It falls within the dry season, though Zanzibar weather february can be humid. It is a busy month so book accommodation ahead.
How much rain does Zanzibar get in September?
September sees about 30-60mm of rain, mainly as brief afternoon showers. This month is part of the dry period, offering sunny mornings and comfortable temperatures — excellent for beach holidays and exploring Stone Town.
Sources
For more on seasonal patterns across the UK, visit our UK weather hub or check the 10 Day Weather Forecast UK for comparative context. Understanding the zanzibar weather by month rain profile helps you plan a trip that matches your tolerance for humidity and showers.