All you need to know about Zanzibar Island Climate, Climate in Zanzibar, Weather in Zanzibar Island Tanzania.
Zanzibar experiences idealholiday weather for most of the year, with the exception of April and May which are seasonally subject to the long rains. Short rains can occur in November, but, do not last long.
The heat of summer is seasonally often cooled by windy conditions, resulting in pleasant sea breezes, particularly on the North and east coasts. Being near to the equator, the islands are warm all year round, but officially, summer and winter peak in December and June respectively. Zanzibar is blessed with and average of 7-8 hours of sunshine daily.