Climate at a glance · Zanzibar (Stone Town)
Annual mean81°day and night
Precipitation49.21 ina year
Warmest monthFebruaryavg high 91°
Coldest monthJulyavg low 72°
Average temperature by month
High · lowJanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation by month
49.21 in a yearJanFebMarAprMayJunJulAugSepOctNovDec
Monthly averages
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high | 90° | 91° | 90° | 84° | 82° | 82° | 82° | 84° | 86° | 88° | 88° | 88° |
| Avg low | 77° | 79° | 77° | 75° | 75° | 73° | 72° | 72° | 72° | 73° | 75° | 77° |
| Precip, in | 3.03 | 1.61 | 3.62 | 14.09 | 5.47 | 3.11 | 1.85 | 1.61 | 1.57 | 2.91 | 5.59 | 4.72 |
| 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 | 85° | 85° | 86° | 85° | 83° | 82° | 79° | 78° | 80° | 80° | 83° | 85° |
| 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