Taking into account the local weather in Membalong is an important factor for planning your visit, especially if you plan to spend your trip poolside. The hottest months are usually May and September with an average temp of 82°F, while the coldest months are September and July with an average of 81°F. The rainiest months in Membalong are November, December, April, and May, with each month seeing an average of 14 inches of rainfall.