Hong Kong has a humid subtropical, monsoon-influenced climate with hot, very humid summers and cool, dry winters. The main rainy season runs from late spring through early autumn, and tropical cyclones can affect the territory from roughly June to October. Verified climate sources report an average annual rainfall of about 2,220 mm, mean January temperature around 16 C, mean July temperature around 29 C, and annual sunshine around 1,709 to 1,830 hours. For residents and expats, the climate is comfortable in the cooler months but can feel oppressive in summer because of heat, humidity, and frequent heavy showers.