Under the Köppen climate classification, Panama City has a tropical savanna climate (Köppen ''Aw''), a little drier than a tropical monsoon climate. It sees  of precipitation annually. The wet season spans from May through December, and the dry season spans from January through April. Temperatures remain constant throughout the year, averaging around . Sunshine is subdued in Panama because it lies in the Intertropical Convergence Zone, where there is a nearly continual cloud formation, even during the dry season.