Zanzibar weather in December
Zanzibar averages 31°C by day and 25°C at night in December, with the sea at 30°C and 21 days with at least 1 mm of rain.
Day
31°C
Night
25°C
Sea
30°C
Rainy days
21
Flight from London
9h
What December feels like
December is hot but wet in Zanzibar: rainy season, so pack for showers.
The sea is warm at 30°C: comfortable for long swims.
It is rainy season, with rain on about 21 days.
Of the 48 sun destinations we track, Zanzibar is the #4 warmest in December.
Want it warmer in December?
These are hotter than Zanzibar this month for at most an hour and a half more flying:
Zanzibar weather by month
December is highlighted. Compare with November and January, or see the full year in Zanzibar.
Zanzibar in December: quick answers
Is Zanzibar hot in December?
December is hot but wet in Zanzibar: rainy season, so pack for showers. Average highs are 31°C and lows 25°C.
Can you swim in Zanzibar in December?
The sea is warm at 30°C: comfortable for long swims.
Does it rain in Zanzibar in December?
It is rainy season, with rain on about 21 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 December for every destination ranked by temperature, sea and flight time.
How we measured this
Averages of every day in December 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.
Planning Zanzibar in December?
Save the restaurants, beaches and views you find on TikTok and Instagram for Zanzibar straight to a map, then let Dream Trip turn them into a day-by-day plan.
