Climate · Zanzibar (Stone Town)

Zanzibar (Stone Town) in May

Hot and wet, as the days hold steady.

Typical weather, averaged over 30 years

May in Zanzibar (Stone Town) is hot: highs near 85°F, lows near 76°F. Rain falls on about five days a week, less often as the month goes on, and daylight holds at about 11 hours 50 minutes.May in Zanzibar (Stone Town) is hot: highs near 29°C, lows near 24°C. Rain falls on about five days a week, less often as the month goes on, and daylight holds at about 11 hours 50 minutes.

High
85°F29°Caverage
Low
76°F24°Caverage
Wet days
5a week · 73% of days
Daylight
11h 50mon average

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


A good month, just outside Zanzibar (Stone Town)'s best months, which run from 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 May sits in the year

week by week

Temperature

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

Chance of a wet day

73% of days in May, against 37% to 92% through the year.

Cloud cover

54% cover in May, against 37% to 72% through the year.

Daylight

11h 50m in May, against 11h 46m to 12h 28m through the year.

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

Either side


  1. April87°31°low 77°low 25°6 wet days a weekRain on about six days a week.
  2. May85°29°low 76°low 24°5 wet days a weekRain on about five days a week.
  3. June85°29°low 74°low 23°4 wet days a weekRain on about four days a week.

Where Zanzibar (Stone Town) sits, in May

Africa/Dar es Salaam

this place
typical high in May 40°F4°C95°F35°C
Sunrise, mid-May
6:24 AMsets 6:14 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 May, 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 May

high · low · wet days

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.