Zanzibar weather in May
May in Zanzibar: hot, rainy, with clean air — a great time to visit.
#11 of 12 months in Zanzibar · #368 of 604 destinations to visit in May · comfort 79/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Zanzibar climate normals — May
| Daytime high | 28°C / 83°F | 🥵 hot |
|---|---|---|
| Nighttime low | 25°C / 76°F | |
| Feels like (high) | 32°C / 90°F | |
| Rainfall | 121 mm / 4.8 in | 🌧 rainy |
| Rainy days | 17 days | |
| Humidity | 80% | 💦 very humid |
| Dew point | 23°C / 73°F | |
| Sunshine | 9.5 h/day | |
| Daylight | 11.8 h | |
| Wind | 19 km/h / 12 mph | |
| Air quality (US AQI) | 35 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Zanzibar?
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Zanzibar in May — FAQ
- Is May a good time to visit Zanzibar?
- May in Zanzibar: hot, rainy, with clean air — a great time to visit. It ranks #11 of 12 months for Zanzibar on SeasonMap's comfort score (79/100).
- What is the weather like in Zanzibar in May?
- In May, Zanzibar averages a daily high of 28.1°C and a low of 24.5°C, with about 121 mm of rain over roughly 17.4 rainy days.
- What is the air quality in Zanzibar in May?
- Zanzibar has a mean US Air Quality Index of about 35 in May.