Taking the local weather in Rupa-Rupa into account can help you maximise your time at the pool during your trip. The hottest months are usually September and October, with an average temperature of 22°C, while the coldest months are June and July, with an average of 21°C. The rainiest months in Rupa-Rupa are February, December, January and March, with each month seeing an average of 538 mm of rainfall.