Zanzibar weather in August
Temperature, sea and sunshine in August: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in August
Excellent
Best time to visit: January – February, June – October
What is the weather like in Zanzibar in August?
In August, Zanzibar is hot: daytime highs average 28 °C, and even at night it stays warm at around 23 °C. The sea averages 25.7 °C – pleasant for swimming. The sun shines for around 7 hours a day. Rain falls on about 7 days, adding up to 20 mm. The air is often humid and muggy. All in all, August is an excellent month for a holiday in Zanzibar.
August compared
How the weather changes from July to September. Tap a month to open it.
| JulyJul | AugustAug | SeptemberSep | |
|---|---|---|---|
| Score | 91 | 90 | 92 |
| Day | 27° | 28° | 29° |
| Night | 23° | 23° | 23° |
| Sea | 26° | 26° | 26° |
| Sun | 7 h | 7 h | 8 h |
| Rain days | 5 | 7 | 6 |
More details for August
- Daylight
- 11 h 54 min06:31 – 18:25
- UV index
- 12 · extremeclear sky, noon (estimate)All months
- Muggy days
- 31 daysdew point 18 °C or more
- Wind
- 17 km/haverage daily peak
- Cloud cover
- 44 %on average
- Hot days
- 0 days30 °C or more
- Time zone
- UTC+3Africa/Dar_es_Salaam
How the score comes together
- Temperatureweight 35 %100 %
- Seaweight 25 %100 %
- Sunshineweight 20 %70 %
- Few rainy daysweight 20 %82 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in August
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
Zanzibar in August: quick answers
Is Zanzibar hot in August?
Yes. In August, Zanzibar is hot: daytime highs average 28 °C and nights stay around 23 °C.
Can you swim in Zanzibar in August?
Yes. In August the sea averages 25.7 °C – pleasant for swimming.
Does it rain much in Zanzibar in August?
Rain falls on about 7 days, adding up to 20 mm.
Zanzibar month by month
The whole year in ZanzibarAll destinations: TanzaniaWhere to go in AugustSea temperature in August
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)