Zanzibar, Tanzania
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Zanzibar

December beach and weather guide

Based on 5 years of historical ERA5 climate data

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December beach conditions — historical average

Excellent
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30.9°C Temp
30.0°C Sea temp
9.0 Rain days
11.8h Sunshine hrs
78.9% Humidity
100%

Reliable conditions

5 of 5 years were good

Year by year — mid December

2024 Excellent 30.6°C · 12 rainy days · 11.8h sun
2023 Excellent 30.2°C · 9 rainy days · 11.8h sun
2022 Excellent 32.7°C · 7 rainy days · 11.9h sun
2021 Good 29.4°C · 14 rainy days · 11.5h sun
2020 Excellent 31.8°C · 3 rainy days · 12.0h sun

Other months in Zanzibar

June July August September October December January February

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About Zanzibar in December

Based on 5 years of ERA5 historical climate data, December in Zanzibar has historically been excellent for a beach holiday. Average temperatures of 30.9°C with sea temperatures around 30.0°C and 9.0 rainy days on average.

5 of the last 5 years had good beach conditions during this period. This data uses ERA5 reanalysis records — real historical measurements, not generalised averages.

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