Weather will likely play an important role when you plan your trip to Lakeba Island, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually February and March, with an average temperature of 27°C, while the coldest months are August and July, with an average of 25°C. The rainiest months in Lakeba Island are February, March, January and December, with each month seeing an average of 316 mm of rainfall.