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Climate · Zanzibar (Stone Town)

Zanzibar (Stone Town) in December

Hot and wet, as the days hold steady.

Typical weather, averaged over 30 years

December in Zanzibar (Stone Town) is hot: highs near 89°F, lows near 78°F. Rain falls on about six days a week, less often as the month goes on, and daylight holds at about 12 hours 28 minutes.December in Zanzibar (Stone Town) is hot: highs near 32°C, lows near 26°C. Rain falls on about six days a week, less often as the month goes on, and daylight holds at about 12 hours 28 minutes.

High
89°F32°Caverage
Low
78°F26°Caverage
Wet days
6a week · 84% of days
Daylight
12h 28mon average

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

December sits outside Zanzibar (Stone Town)'s best months, which run from June to September. Expect hot days and rain on about six days a week.

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 December sits in the year

week by week

Temperature

Highs near 89°F in December, against 84°F to 90°F through the year.Highs near 32°C in December, against 29°C to 32°C through the year.

Chance of a wet day

84% of days in December, against 37% to 92% through the year.

Cloud cover

61% cover in December, against 37% to 72% through the year.

Daylight

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

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

Either side

  1. November88°31°low 76°low 24°5 wet days a weekRain on about five days a week.
  2. December89°32°low 78°low 26°6 wet days a weekRain on about six days a week.
  3. January89°32°low 79°low 26°4 wet days a weekRain on about four days a week.

Where Zanzibar (Stone Town) sits, in December

Africa/Dar es Salaam
this place
typical high in December 40°F4°C95°F35°C
Sunrise, mid-December
6:04 AMsets 6:33 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 December, 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 December

high · low · wet days
See December 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.