The highest day temperature in July 2025 was 85°F. The lowest night temperature was 73°F. The average values for day and night temperatures during July were 83.7°F и 74.6°F respectivly.

The average sea surface temperature in July 2025 for Zanzibar was 82.6°F. The maximum and minimum values were 81.2°F and 84.0°F respectively.

Most of the days in July are cloudy but you can also expect sunny or gloomy days.

Precipitation total in July for Zanzibar is 2.9 in. It makes july one of the least rainy months of the year.

The average wind speed in July is 11.9 mph. It makes July the most windy month of the year for Zanzibar.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Zanzibar in July is 7.0 hours.