Planning for the weather is an important factor for making your trip to Tiga Island a success, especially when you're splurging. The hottest months are usually May and April, with an average temperature of 27°C, while the coldest months are February and March, with an average of 27°C. The rainiest months in Tiga Island are November, January, May and December, with each month seeing an average of 316 mm of rainfall.