December · Tanzania
Best time to visit Zanzibar in December Weather, crowds & prices
Weather in Zanzibar in December
Average temperature 28°C, 118 mm of rain, about 31 days with 6+ hours of sunshine and 79% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
7.8/10
Ranked #9 of 12 months
- Avg temp
- 28°C
- Rainfall
- 118 mm
- Humidity
- 79%
- Days with 6h+ sun
- 31
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
December in Zanzibar scores 7.8/10 for beach and coastal travel - ranked #9 of 12. Expect around 28°C, 118 mm of rain, and roughly 31 days with 6+ hours of sunshine this month.
Zanzibar's Stone Town is a maze of coral-stone houses, carved doors, and spice warehouses, with beaches strung along the island's north and east coasts.
December in Zanzibar: strong conditions, 9th of 12
Days in December average 28°C (82°F) and humidity near 79% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
118 mm of rain makes this a wet month here, though with about 31 days with 6+ hours of sunshine there is still bright weather between the fronts.
That is 7.8/10 on the same scale — 9th of 12 months, versus 9.6/10 for the best month here.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
Budget for mid-season pricing, and crowds are moderate.
If your dates are flexible, February is materially better in Zanzibar — 1.8 points higher on the same scale.
Frequently asked
- What is the weather like in Zanzibar in December?
- In December, Zanzibar averages 28°C, 118 mm of rain, and about 31 days with 6+ hours of sunshine. Its climate-comfort score is 7.8/10.
- Is December a good time to visit Zanzibar?
- December earns a 7.8/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Zanzibar in December?
- Expect about 118 mm of rain in December. Average humidity is 79% and there are about 31 days with 6+ hours of sunshine.
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