If you're hoping to get lost in the rain on your romantic getaway, check out these details about year-round temperatures in Central Kampala: The hottest months are usually February and January with an average temp of 72°F, while the coldest months are July and June with an average of 70°F. The rainiest months in Central Kampala are April, November, May, and March, with each month seeing an average of 7 inches of rainfall.