Taking the local weather in Bundu Tuhan into account can help you maximise your time at the pool during your trip. The hottest months are usually June and May, with an average temperature of 23°C, while the coldest months are February and January, with an average of 22°C. The rainiest months in Bundu Tuhan are May, June, November and January, with each month seeing an average of 510 mm of rainfall.