What is the coldest temperature in Sanya in winter?

5. 1 degree or so. Sanya, referred to as Lucheng for short, is a prefecture-level city under the jurisdiction of Hainan Province. It is located at the southernmost tip of Hainan Island, bordering Lingshui Li Autonomous County in the east, Ledong Li Autonomous County in the west, Baoting Li and Miao Autonomous County in the north and Nanhai in the south. The climate is characterized by high annual average temperature, small relative temperature difference between four seasons and abundant rainfall. The annual average temperature in Sanya is 25.5℃, with the highest temperature of 28.5℃ and the lowest temperature of 20.9℃ in June. However, the annual extreme maximum temperature can reach 37.5 degrees Celsius, and the minimum temperature can be reduced to 5. 1 degrees Celsius.