Sri Jayawardenepura Kotte features a tropical rainforest climate (Köppen: Af) more subject to the Intertropical Convergence Zone than the trade winds. Since there are a few cyclones, the climate is not purely equatorial but subequatorial, with little variation in temperatures throughout the course of the year. The city does feature wetter and drier months, with February on average being its driest month, seeing on average  of precipitation. However, since none of the average monthly precipitation falls below , Sri Jayawardenepura Kotte falls under the tropical rainforest climate category.