White sand beach and turquoise water on Zanzibar with a thatched pier restaurant

Destination

When should you visit Zanzibar?

Zanzibar is a tropical island destination where timing can make a big difference. The island stays warm throughout the year, but rainfall, humidity, wind, sea conditions and crowds change significantly from month to month. For the best combination of reliable beach weather, comfortable conditions and outdoor activities, June to October is the strongest overall period. January and February also offer a hot, mostly dry window, while April and May are the wettest months.

My recommendation

September

Dry-season conditions, warm temperatures, generally less pressure than July/August, while still being excellent for beaches and water activities.

Best for beach weather

June – October

Best for diving & snorkeling

February, June – October

Best for lower prices

March, May, October – November

Wettest period

April – May

Busiest periods

July – August and Christmas/New Year

September scores

Weather10/10
Crowds8/10
Prices7/10
Events6/10
Thatched beach hut on the rocks above turquoise water in Zanzibar

Plan around

What to know before you book

Zanzibar's long rains

April – May

The main long rainy season runs roughly from March/April through May, with April and May typically being the wettest period. If your trip is mainly about beaches, sunshine and outdoor activities, these are the months where weather is least reliable.
Christmas & New Year

Late December – early January

Christmas and New Year are among Zanzibar’s busiest periods, with higher demand and higher hotel prices. But don’t write it off — I’ve spent Christmas and New Year there myself and had a great time. They definitely know how to celebrate NYE.
July & August

July – August

July and August are peak travel months because of the excellent dry-season weather and European summer holidays. Expect more visitors and higher prices, especially at popular beachfront hotels.
Short rains

November

November brings Zanzibar's shorter rainy season. Rain can be unpredictable, but showers are generally less persistent than during the long rains. This can also mean lower prices and fewer visitors.

Month by month

All twelve months, at a glance

Tap any month for full scores, temperatures and planning notes.

Sunshine

June – October

Warmest period

January – March

Wettest period

April – May

Warmest sea

January – March

Good diving & snorkeling

February, June – October

Kitesurfing

December – March and June – September

Lower prices

March – May and November

Rainy season

The long rains fall in April – May; the shorter rainy season arrives in November.

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If you want…

The short version

Classic beach holiday

June – October

Best beach weather

June – October

Diving & snorkeling

February, June – October

Kitesurfing

December – March and June – September

Lower prices

March – May and November

Fewer crowds

June, September, October and November

New Year's celebrations

Late December – early January

FAQ

Planning a trip to Zanzibar

When is Zanzibar busiest?

Zanzibar is busiest during the main dry-season peak and around Christmas and New Year. July – August: European summer holidays bring more visitors and higher demand. Christmas – New Year: hotels and beachfront resorts can become significantly busier and more expensive. Easter and school holidays can also increase demand. June, September, October and November are generally quieter, with typically lower demand.

When is Zanzibar cheapest?

The long rainy season generally brings lower demand and better accommodation prices, and November can also offer better value because of the short rains. Prices are highest around Christmas & New Year, in July & August, and at popular beachfront resorts during peak dry-season periods. Lower-price periods are March – May and November. Exact prices vary by hotel and booking date.

What are the beach & water conditions like?

For Zanzibar, timing is about more than rainfall. Wind, tides and sea conditions can also affect the beach experience. February and June – October are strong periods for diving and snorkeling, and December – March and June – September can offer favorable kitesurfing winds. Tides are particularly noticeable on the east coast around Paje, Jambiani and Bwejuu, where the water can retreat significantly at low tide. Nungwi and Kendwa on the north coast generally offer easier access to swimmable water across the tidal cycle.