Taking into account the local weather in Sengeti is an important factor for planning your visit, especially if you plan to spend your trip poolside. The hottest months are usually September and August with an average temp of 80°F, while the coldest months are July and January with an average of 79°F. The rainiest months in Sengeti are November, April, December, and March, with each month seeing an average of 12 inches of rainfall.