Climate averages 1991–2020
Zanzibar weather
in April.
A hot, very wet month: the 7th warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a hot month in Zanzibar: daytime highs average 28.6°C and nights cool to about 24.9°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 200 mm of rain on roughly 26 days, which makes April a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 11 h 58 min on an average April day.
The nearest other city in this atlas is Bagamoyo (45 km away). In April its highs average 29.3°C, 0.7°C warmer than Zanzibar, with 195 mm of rain.
Among the 43 cities listed in Tanzania, Zanzibar ranks 7th of 43 for the warmest April highs and joint 39th of 43 for the driest April (rainfall, lowest first). The mean April high of those 43 cities is 26.1°C; Zanzibar is 2.5°C warmer than that mean.
From April to May, average highs fall by 0.8°C to 27.7°C, and monthly rainfall falls from 200 mm to 146 mm.
The annual picture
April in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Zanzibar climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 30.0°C26.1°C | 26.1°C | 43 | 9.7 | 12.412 h |
| February | 30.5°C26.2°C | 26.2°C | 36 | 7.7 | 12.312 h |
| March | 30.1°C25.7°C | 25.7°C | 122 | 21.0 | 12.112 h |
| April, selected | 28.6°C24.9°C | 24.9°C | 200 | 25.5 | 12.012 h |
| May | 27.7°C24.3°C | 24.3°C | 146 | 18.8 | 11.812 h |
| June | 27.4°C23.5°C | 23.5°C | 35 | 9.6 | 11.812 h |
| July | 27.3°C22.8°C | 22.8°C | 22 | 6.4 | 11.812 h |
| August | 27.6°C22.6°C | 22.6°C | 21 | 6.2 | 11.912 h |
| September | 28.5°C23.1°C | 23.1°C | 19 | 5.4 | 12.112 h |
| October | 29.2°C23.9°C | 23.9°C | 52 | 9.8 | 12.212 h |
| November | 29.3°C24.7°C | 24.7°C | 84 | 18.0 | 12.412 h |
| December | 29.6°C25.5°C | 25.5°C | 93 | 20.3 | 12.512 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
April in nearby cities
- Bagamoyo in AprilTanzania · 45 kmHigh 29.3°C · Low 23.8°C · 195 mm rain
- Dar es Salaam in AprilTanzania · 74 kmHigh 29.0°C · Low 24.2°C · 229 mm rain
- Kibaha in AprilTanzania · 74 kmHigh 28.8°C · Low 22.8°C · 203 mm rain
- Vikindu in AprilTanzania · 94 kmHigh 28.4°C · Low 23.9°C · 200 mm rain
- Tanga in AprilTanzania · 122 kmHigh 29.7°C · Low 24.3°C · 148 mm rain
- Handeni in AprilTanzania · 154 kmHigh 26.6°C · Low 20.5°C · 189 mm rain
- Morogoro in AprilTanzania · 185 kmHigh 27.4°C · Low 21.4°C · 161 mm rain
- Ukunda in AprilKenya · 212 kmHigh 29.1°C · Low 24.7°C · 134 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Zanzibar) is explained once on the Zanzibar year overview and on the Sources, method and limits page.