Planning for the weather is a good way to make your trip to Sabu Island relaxing and enjoyable, especially when you’re splurging. The hottest months are usually December and April, with an average temperature of 29°C, while the coldest months are August and July, with an average of 27°C. The rainiest months in Sabu Island are January, February, December and March, with each month seeing an average of 230 mm of rainfall.