Taking the local weather in Phumĭ Cheung Koŭ into account can help you maximise your time at the pool during your trip. The hottest months are usually May and April, with an average temperature of 29°C, while the coldest months are January and December, with an average of 27°C. The rainiest months in Phumĭ Cheung Koŭ are September, July, August and June, with each month seeing an average of 645 mm of rainfall.