Taking into account the local weather in Kampong Gallam Gallam is an important factor for planning your visit, especially if you plan to spend your trip poolside. The hottest months are usually April and May with an average temp of 82°F, while the coldest months are February and January with an average of 80°F. The snowiest months in Kampong Gallam Gallam are May, January, February, and March, with each month seeing an average of 15 inches of snowfall.