Taking the local weather in Pelabuhan Ratu into account can help you maximise your time at the pool during your trip. The hottest months are usually September and August, with an average temperature of 25°C, while the coldest months are July and August, with an average of 25°C. The rainiest months in Pelabuhan Ratu are December, November, March and April, with each month seeing an average of 467 mm of rainfall.