Taking the local weather in Saphan Mai Kaen into account can help you maximise your time at the pool during your trip. The hottest months are usually April and May, with an average temperature of 28°C, while the coldest months are February and January, with an average of 26°C. The rainiest months in Saphan Mai Kaen are November, December, October and September, with each month seeing an average of 286 mm of rainfall.