Zanzibar weather in May 2025

Expect 29°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Zanzibar in May. Check more long-term weather averages for Zanzibar in May before you book your next holiday to Tanzania in 2025/2026.

  • 29°C maximum daytime temperature in May in Zanzibar29
    29°C max day temperature
  • 6 hours of sunshine per day
  • 16 days with some rainfall in May in Zanzibar16
    16 days with some rainfall
  • 22°C minimum night-time temperature in May in Zanzibar22
    22°C min night temperature
  • 12 hours of daylight per day in May in Zanzibar12
    12 hours of daylight per day
  • High heat & humidity in May in ZanzibarH
    High heat & humidity
  • 254 mm monthly rainfall in May in Zanzibar254
    254 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in May in Zanzibar10
    10 (Very High) UV index
  • 28°C sea temperature in May in Zanzibar28
    28°C sea temperature

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The May weather guide for Tanzania (Zanzibar) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in Zanzibar in May?

Daytime temperatures usually reach 29°C in Zanzibar in May with high heat and humidity, falling to 22°C at night.

How sunny is it in Zanzibar in May?

There are normally 6 hours of bright sunshine each day in Zanzibar in May - that's 53% of daylight hours.

How warm is the sea around Zanzibar in May?

The average sea temperature around Zanzibar in May is 28°C.

Does it rain in Zanzibar in May?

There are usually 16 days with some rain in Zanzibar in May and the average monthly rainfall is 254mm.

Zanzibar May sunrise & sunset times

Browse the sunrise and sunset times for Zanzibar in May 2025. Select a month to view Zanzibar sunrise and sunset times for the next 12 months.


Date Sunrise times Sunset times
Thursday, 1st May 2025 06:24 18:17
Friday, 16th May 2025 06:25 18:14
Saturday, 31st May 2025 06:27 18:15

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