Taking into account the local weather in Kampung Let Sermai is an important factor for planning your visit, especially if you plan to spend your trip poolside. The hottest months are usually April and March with an average temp of 80°F, while the coldest months are January and February with an average of 77°F. The rainiest months in Kampung Let Sermai are November, December, October, and May, with each month seeing an average of 11 inches of rainfall.