Visiting local bars in Quilalea Island is better in good weather. These temperatures and rainfall averages can help you decide the best time for bar hopping. The hottest months are usually December and November with an average temp of 82°F, while the coldest months are July and August with an average of 76°F. The rainiest months in Quilalea Island are January, February, March, and December, with each month seeing an average of 12 inches of rainfall.