Planning for the weather is a good way to make your trip to Pemba Island relaxing and enjoyable, especially when you're splurging. The hottest months are usually March and February, with an average temperature of 28°C, while the coldest months are August and July, with an average of 26°C. The rainiest months in Pemba Island are April, May, November and March, with each month seeing an average of 271 mm of rainfall.