Zanzibar weather in May
May is one of the least pleasant months in Zanzibar: highs of 28°C (83°F) and about 186 mm (7.3 in) of rain on average. Nights average 26°C (79°F) and cloud cover 53% (NASA POWER, 2001–2025 averages). The sea averages 28°C (83°F). It is the 2nd wettest month of the year and the 5th coolest. Compared with April, it is cooler and drier; June brings highs of 27°C (81°F) and 29 mm (1.1 in) of rain.
Is May a good time to visit Zanzibar?
least pleasant month Weather score 58/100.
May is one of the least pleasant months for weather in Zanzibar. For better conditions, consider Jun–Oct, Jan–Feb.
Does it rain a lot in Zanzibar in May?
Yes, it is one of the rainy months: about 186 mm (7.3 in) falls in an average May. It is the 2nd wettest month of the year.
How warm is Zanzibar in May?
Days average 28°C (83°F) and nights 26°C (79°F).
Zanzibar weather by month
| Month | High | Low | Rain | Cloud | Sea | Weather |
|---|---|---|---|---|---|---|
| January | 29°C (85°F) | 27°C (80°F) | 62 mm | 51% | 30°C (85°F) | best |
| February | 30°C (85°F) | 27°C (81°F) | 51 mm | 48% | 30°C (86°F) | best |
| March | 30°C (86°F) | 28°C (82°F) | 119 mm | 53% | 30°C (87°F) | fair |
| April | 29°C (85°F) | 27°C (81°F) | 256 mm | 60% | 29°C (85°F) | least pleasant |
| May | 28°C (83°F) | 26°C (79°F) | 186 mm | 53% | 28°C (83°F) | least pleasant |
| June | 27°C (81°F) | 25°C (77°F) | 29 mm | 42% | 28°C (82°F) | best |
| July | 27°C (80°F) | 24°C (75°F) | 13 mm | 39% | 27°C (80°F) | best |
| August | 27°C (81°F) | 24°C (75°F) | 14 mm | 36% | 26°C (79°F) | best |
| September | 28°C (82°F) | 24°C (76°F) | 22 mm | 32% | 27°C (80°F) | best |
| October | 29°C (83°F) | 25°C (78°F) | 64 mm | 36% | 27°C (81°F) | best |
| November | 29°C (85°F) | 26°C (80°F) | 101 mm | 40% | 29°C (83°F) | fair |
| December | 30°C (85°F) | 27°C (81°F) | 92 mm | 42% | 30°C (85°F) | fair |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), sea temperature from Open-Meteo Marine. Page updated . How we rate months