Visiting local bars in Hienghene is better when you know what the weather holds. These rainfall averages and temperatures can help you choose the best time for bar-hopping. The hottest months are usually February and January, with an average temperature of 25°C, while the coldest months are August and September, with an average of 21°C. The rainiest months in Hienghene are March, January, February and April, with each month seeing an average of 182 mm of rainfall.