Typically, you can expect that the weather in Zanzibar for the duration of February is 26. Average high is typically 29 degrees celsius and a low of 26 celsius. We have put some more information here:

MonthDegrees Celsius
High Temperature29
Low Temperature26
Sunshine Per Day10

Click to see more Zanzibar Weather including Zanzibar, Tanzania January Weather and Zanzibar, Tanzania March Weather