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Climate · Zanzibar (Stone Town)

Zanzibar (Stone Town) in August

Hot and wet, as the days hold steady.

Typical weather, averaged over 30 years

August in Zanzibar (Stone Town) is hot: highs near 85°F, lows near 73°F. Rain falls on about three days a week, and daylight holds at about 11 hours 55 minutes.August in Zanzibar (Stone Town) is hot: highs near 29°C, lows near 23°C. Rain falls on about three days a week, and daylight holds at about 11 hours 55 minutes.

High
85°F29°Caverage
Low
73°F23°Caverage
Wet days
3a week · 45% of days
Daylight
11h 55mon average

Is August a good time to visit Zanzibar (Stone Town)?

Yes. August is one of Zanzibar (Stone Town)'s best months (June to September).

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

How August sits in the year

week by week

Temperature

Highs near 85°F in August, against 84°F to 90°F through the year.Highs near 29°C in August, against 29°C to 32°C through the year.

Chance of a wet day

45% of days in August, against 37% to 92% through the year.

Cloud cover

37% cover in August, against 37% to 72% through the year.

Daylight

11h 55m in August, against 11h 46m to 12h 28m through the year.

Week by week, lightly smoothed, with August shaded. The olive line marks the best months. Hover or tap a week for its figures.

Either side

  1. July84°29°low 73°low 23°3 wet days a weekRain on about three days a week.
  2. August85°29°low 73°low 23°3 wet days a weekRain on about three days a week.
  3. September87°31°low 74°low 23°3 wet days a weekRain on about three days a week.

Where Zanzibar (Stone Town) sits, in August

Africa/Dar es Salaam
this place
typical high in August 40°F4°C95°F35°C
Sunrise, mid-August
6:31 AMsets 6:25 PM
Above the sea
10 mlow-lying
Latitude
6.2°Ssouthern hemisphere
Nearest of ours
Dongwe38 km east

The land around Zanzibar (Stone Town), shaded by its typical high in August, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Elsewhere in Tanzania in August

high · low · wet days
See August on the planning mapThe whole year in Zanzibar (Stone Town)

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Zanzibar (Stone Town). Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match.Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match. Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.