June
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27.7°C / 23.4°C
26 rain days
warm, very wet
- extremely wet (26 rain days)
Best time to visit Stone Town
Stone Town, Tanzania — ranked month by month from data: temperature, rainfall, snow, and peak hazard seasons. Every month has trade-offs — pick what you can tolerate.
About Stone Town
The Stone Town of Zanzibar, also known as Mji Mkongwe, is the old part of Zanzibar City, the main city of Zanzibar, in Tanzania. The newer portion of the city is known as Ng'ambo, Swahili for 'the other side'. Stone Town is located on the western coast of Unguja, the main island of the Zanzibar Archipelago.
— condensed from Wikipedia
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Months to skip
July
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27.4°C / 22.7°C
28 rain days
warm, very wet
- extremely wet (28 rain days)
May
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27.9°C / 24.2°C
29 rain days
warm, very wet
- extremely wet (29 rain days)
August
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28.3°C / 22.1°C
28 rain days
hot, very wet
- extremely wet (28 rain days)
February
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32°C / 25.9°C
19 rain days
hot, very wet
- very hot (32°C)
- extremely wet (19 rain days)
September
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29.3°C / 22.4°C
26 rain days
hot, very wet
- extremely wet (26 rain days)
January
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31.3°C / 25.8°C
23 rain days
hot, very wet
- very hot (31.3°C)
- extremely wet (23 rain days)
April
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28.8°C / 24.7°C
30 rain days
hot, very wet
- extremely wet (30 rain days)
October
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30°C / 23.3°C
27 rain days
hot, very wet
- extremely wet (27 rain days)
November
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29.8°C / 24.3°C
28 rain days
hot, very wet
- extremely wet (28 rain days)
December
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30.6°C / 25.3°C
26 rain days
hot, very wet
- very hot (30.6°C)
- extremely wet (26 rain days)
March
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31.4°C / 25.6°C
26 rain days
hot, very wet
- very hot (31.4°C)
- extremely wet (26 rain days)
How we ranked these
Each month is scored on temperature comfort (18–27°C avg high is the sweet spot), rainfall (more rain days = lower score), snow days, and peak hazard seasons (hurricanes, monsoons, etc.). Green-tier months are within ideal range with no major issues. Yellow are workable but with trade-offs. Red has at least one significant problem — extreme heat or cold, heavy rain, or peak storm season.