Climate characteristics of Nanji Island

The Nanji Islands are located in tropical waters, with a mild and humid climate and four distinct seasons, a typical mid-subtropical maritime monsoon climate. The characteristics are: warm winters and cool summers, with an annual average temperature of 16.5°C, extreme temperatures of 2.7°C and 34.1°C, and few days with the daily extreme maximum temperature above 30°C. Second, there is abundant rainfall and sufficient sunshine. The average annual precipitation days are 148.6 days and the average annual precipitation is 1063.4 mm. It is the area with the richest precipitation among the islands in Zhejiang Province. The main precipitation period is concentrated from May to August, accounting for the annual precipitation. 73%. The frost-free period is 365 days, and the four seasons are 40 days later than those in the mainland. Third, disastrous weather occurs from time to time, mainly due to frequent typhoons. According to meteorological statistics for many years, there are 3.3 times per year. Typhoons are affected from May to November, mainly from July to October, with the maximum wind force above level 12. .