Africa › Tanzania › Zanzibar
30-year normals (1991-2020)
Zanzibar has a tropical monsoon climate, classified as Am in the Köppen system. The warmest month is January with an average high of 32°C, while the coldest month is May with lows dropping to 21°C. The annual temperature range of 11°C indicates a relatively stable climate year-round.
The driest month is June with only 6 rain days and 70mm of precipitation. For travellers, June through to the following month typically offers the best balance of warm temperatures and dry conditions. Average humidity ranges from 82% to 82% throughout the year.
Based on temperature and rainfall data, the best months to visit Zanzibar are May, June, July. These months offer the most comfortable temperatures with relatively low rainfall, ideal for sightseeing and outdoor activities.
Full Best Time to Visit GuideWarmest Month
32°C
January
Coldest Month
21°C
May
Driest Month
6 days
June
Annual Range
11°C
21° to 32°
| Month | High | Low | Rain Days | Sun | Details |
|---|---|---|---|---|---|
| January | 32°C | 25°C | 17 | 7h | View |
| February | 31°C | 24°C | 15 | 6h | View |
| March | 30°C | 23°C | 12 | 4h | View |
| April | 29°C | 22°C | 9 | 2h | View |
| May | 28°C | 21°C | 7 | 1h | View |
| June | 28°C | 21°C | 6 | 1h | View |
| July | 28°C | 21°C | 7 | 1h | View |
| August | 29°C | 22°C | 9 | 3h | View |
| September | 30°C | 23°C | 12 | 4h | View |
| October | 31°C | 24°C | 15 | 6h | View |
| November | 32°C | 25°C | 17 | 7h | View |
| December | 32°C | 25°C | 18 | 7h | View |
January
17 rain days, 7h sun
February
15 rain days, 6h sun
March
12 rain days, 4h sun
April
9 rain days, 2h sun
May
7 rain days, 1h sun
June
6 rain days, 1h sun
July
7 rain days, 1h sun
August
9 rain days, 3h sun
September
12 rain days, 4h sun
October
15 rain days, 6h sun
November
17 rain days, 7h sun
December
18 rain days, 7h sun
Zanzibar in January
Data Sources for Zanzibar
Climate normals represent 30-year averages (1991-2020). Individual years may vary.