Visiting local bars in Vaitupu is better when you know what the weather holds. These temperatures and rainfall averages can help you determine the best time for bar-hopping. The hottest months are usually April and May, with an average temperature of 29°C, while the coldest months are August and February, with an average of 28°C. The rainiest months in Vaitupu are February, January, December and March, with each month seeing an average of 413 mm of rainfall.