Climate at a glance · Zanzibar (Stone Town)
Annual mean27°day and night
Precipitation1250 mma year
Warmest monthFebruaryavg high 33°
Coldest monthJulyavg low 22°
Average temperature by month
High · lowJanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation by month
1250 mm a yearJanFebMarAprMayJunJulAugSepOctNovDec
Monthly averages
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high | 32° | 33° | 32° | 29° | 28° | 28° | 28° | 29° | 30° | 31° | 31° | 31° |
| Avg low | 25° | 26° | 25° | 24° | 24° | 23° | 22° | 22° | 22° | 23° | 24° | 25° |
| Precip, mm | 77 | 41 | 92 | 358 | 139 | 79 | 47 | 41 | 40 | 74 | 142 | 120 |
| Wet days | 15 | 12 | 16 | 27 | 18 | 18 | 16 | 16 | 15 | 19 | 23 | 22 |
| Sunshine | 11.1 h | 11 h | 10.7 h | 8 h | 10.1 h | 10.4 h | 10.6 h | 10.9 h | 11.4 h | 11.5 h | 11.1 h | 11.5 h |
| Humidity | 76% | 73% | 75% | 86% | 80% | 78% | 77% | 75% | 74% | 75% | 78% | 79% |
| Sea temperature | 30° | 30° | 30° | 29° | 28° | 28° | 26° | 26° | 27° | 27° | 29° | 30° |
| Daylight | 12 h 26 | 12 h 18 | 12 h 08 | 11 h 58 | 11 h 50 | 11 h 46 | 11 h 48 | 11 h 55 | 12 h 04 | 12 h 15 | 12 h 24 | 12 h 28 |
| UV index (clear sky) | 11 | 12 | 12 | 11 | 10 | 9 | 10 | 11 | 12 | 12 | 11 | 11 |
5-year averages (2021–2025) · Open-Meteo historical weather (ERA5)
6.1650°S, 39.1990°E