Zanzibar weather in January

Zanzibar averages 32°C by day and 26°C at night in January, with the sea at 29°C and 13 days with at least 1 mm of rain.

Day

32°C

Night

26°C

Sea

29°C

Rainy days

13

Flight from London

9h

What January feels like

January is hot but wet in Zanzibar: rainy season, so pack for showers.

The sea is warm at 29°C: comfortable for long swims.

It is rainy season, with rain on about 13 days.

Of the 48 sun destinations we track, Zanzibar is the #1 warmest in January.

Zanzibar weather by month

January is highlighted. Compare with December and February, or see the full year in Zanzibar.

MonthDayNightSeaRainy days
January32°C26°C29°C13
February32°C26°C30°C12
March32°C26°C30°C20
April29°C25°C29°C28
May28°C25°C28°C22
June28°C24°C28°C17
July27°C23°C27°C18
August28°C23°C26°C18
September29°C23°C27°C18
October29°C24°C27°C19
November30°C25°C29°C23
December31°C25°C30°C21

Zanzibar in January: quick answers

Is Zanzibar hot in January?

January is hot but wet in Zanzibar: rainy season, so pack for showers. Average highs are 32°C and lows 26°C.

Can you swim in Zanzibar in January?

The sea is warm at 29°C: comfortable for long swims.

Does it rain in Zanzibar in January?

It is rainy season, with rain on about 13 days.

What is the warmest month in Zanzibar?

February, at an average high of 32°C. The coolest is July at 27°C.

How long is the flight to Zanzibar from the UK?

About 9h direct from London, estimated from the 7,435 km distance. Check your airline for exact times.

Still choosing? See where is hot in January for every destination ranked by temperature, sea and flight time.

How we measured this

Averages of every day in January from 2016 to 2025, from the Open-Meteo historical weather archive (ECMWF ERA5 reanalysis). Sea temperature is the 2023 to 2025 average from the Open-Meteo marine archive. A rainy day has at least 1 mm of rain. Reanalysis describes an area about 25 km across, so sheltered resorts can run a degree or two warmer. Flight time is a distance-based estimate from London Heathrow.

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