Weather will likely play an important role when you plan your trip to Epi 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 September, with an average of 24°C. The rainiest months in Epi Island are April, March, January and February, with each month seeing an average of 275 mm of rainfall.