Climate guide for Stone Town, Tanzania

Stone Town in May

Weather, crowds & best time to visit

How to read the score (0–10)
05810
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May · Tanzania

Best time to visit Stone Town in May Weather, crowds & prices

Weather in Stone Town in May

Average temperature 27°C, 91 mm of rain, about 21 days with 6+ hours of sunshine and 80% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

May score

5.6/10

Ranked #7 of 12 months

Full year for Stone Town
Avg temp
27°C
Rainfall
91 mm
Humidity
80%
Days with 6h+ sun
21
Crowd Density
Moderate Crowds
Average Expenses
$$ · Moderate Cost ($$)

May in Stone Town scores 5.6/10 for sightseeing and cultural travel - ranked #7 of 12. Expect around 27°C, 91 mm of rain, and roughly 21 days with 6+ hours of sunshine this month.

Stone Town is Zanzibar's historic quarter, a maze of alleys, carved doors, spice shops and the Forodhani waterfront.

May in Stone Town — workable with trade-offs

May averages 27°C (81°F) and humidity near 80%, so the practical pattern is early mornings, a long midday break, and evenings back outside.

Rainfall runs 91 mm, so plan one flexible day in three; you still get about 21 days with 6+ hours of sunshine and 11.7 hours of daylight.

It scores 5.6/10 here, 7th of 12 months, against 8.1/10 in the destination's best month.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a packable rain layer.

Figure on mid-season pricing, with crowds are moderate.

Flexible dates? August scores 2.5 points higher here — enough to change the trip.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Stone Town in May?
In May, Stone Town averages 27°C, 91 mm of rain, and about 21 days with 6+ hours of sunshine. Its climate-comfort score is 5.6/10.
Is May a good time to visit Stone Town?
May earns a 5.6/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Stone Town in May?
Expect about 91 mm of rain in May. Average humidity is 80% and there are about 21 days with 6+ hours of sunshine.

Curated in Stone Town

Tickets & experiences

Things to do in Stone Town

Stone Town, Tanzania. Live activities and tours from GetYourGuide, matched to this destination.