Zanzibar, Tanzania

Zanzibar, Tanzania

August beach and weather guide

Based on 5 years of historical ERA5 climate data

Photo by MARIOLA GROBELSKA on Unsplash

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August beach conditions — historical average

Excellent
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28.7°C Temp
26.2°C Sea temp
6.6 Rain days
10.9h Sunshine hrs
75.4% Humidity

Year by year — mid August

2025 Excellent 28.6°C · 4 rainy days · 10.8h sun
2024 Excellent 29.0°C · 9 rainy days · 11.0h sun
2023 Excellent 29.1°C · 8 rainy days · 11.0h sun
2022 Excellent 28.2°C · 7 rainy days · 10.7h sun
2021 Excellent 28.5°C · 5 rainy days · 10.8h sun

Other months in Zanzibar

June July August September October December January February

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Each trip type is scored on what matters most for it — snow days for skiing, sea temp for beach, sunshine for sightseeing.

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About Zanzibar in August

Based on 5 years of ERA5 historical climate data, August in Zanzibar has historically been excellent for a beach holiday. Average temperatures of 28.7°C with sea temperatures around 26.2°C and 6.6 rainy days on average.

0 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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