Zanzibar weather in August
August in Zanzibar: hot, dry, with clean air — one of the best months to visit.
#2 of 12 months in Zanzibar · #103 of 604 destinations to visit in August · comfort 89/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Zanzibar climate normals — August
| Daytime high | 28°C / 83°F | 🥵 hot |
|---|---|---|
| Nighttime low | 23°C / 73°F | |
| Feels like (high) | 30°C / 86°F | |
| Rainfall | 23 mm / 0.9 in | ☀️ dry |
| Rainy days | 8 days | |
| Humidity | 75% | 💦 very humid |
| Dew point | 20°C / 68°F | |
| Sunshine | 10.9 h/day | |
| Daylight | 11.9 h | |
| Wind | 19 km/h / 12 mph | |
| Air quality (US AQI) | 33 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Zanzibar in August — FAQ
- Is August a good time to visit Zanzibar?
- August in Zanzibar: hot, dry, with clean air — one of the best months to visit. It ranks #2 of 12 months for Zanzibar on SeasonMap's comfort score (89/100).
- What is the weather like in Zanzibar in August?
- In August, Zanzibar averages a daily high of 28.1°C and a low of 22.8°C, with about 23.3 mm of rain over roughly 8.4 rainy days.
- What is the air quality in Zanzibar in August?
- Zanzibar has a mean US Air Quality Index of about 33 in August.