Taking the local weather in Khao Kop into account can help you maximise your time at the pool during your trip. The hottest months are usually March and April, with an average temperature of 27°C, while the coldest months are January and February, with an average of 26°C. The rainiest months in Khao Kop are September, October, November and May, with each month seeing an average of 311 mm of rainfall.