Visiting local bars in Hinchinbrook Island is more fun when the weather is good. These temperatures and rainfall averages can help you decide the best time for bar-hopping. The hottest months are usually December and January, with an average temperature of 26°C, while the coldest months are July and August, with an average of 19°C. The rainiest months in Hinchinbrook Island are January, February, March and December, with each month seeing an average of 304 mm of rainfall.