Is Shenzhen tropical or subtropical? Is it a monsoon climate or an oceanic climate? What are the characteristics of this weather?
Shenzhen is located on the coast of the South China Sea and has a southern subtropical monsoon climate with long summers and short winters. There is no extreme heat in summer and no severe cold in winter. It has ample sunshine, abundant rainfall, and a pleasant climate.
Shenzhen has an average annual temperature of 22.3°C and flowers bloom all year round. If we use the cold and warm climate as a specific indicator to divide the four seasons in Shenzhen, spring has 76 days, summer has 185 days, autumn has 80 days, and winter has only 24 days.
Spring generally lasts from early February to late April, with an average temperature of 19.0°C and an average rainfall of 212 mm. The weather in spring is changeable, with "warm and cold" weather often occurring. Common disastrous weather in spring includes low temperature and rain, strong convection, spring drought, etc. In a few years, cold wave weather may also occur.
In summer, from late April to late October, the average temperature is 26.7°C and the average rainfall is 1,606 mm. April to September is the flood season in Shenzhen, which is affected by frontal troughs, tropical cyclones, monsoon clouds and other weather conditions. The impact of the system, heavy rain, thunderstorms, typhoons, etc. are common disastrous weather during this period. Although summer is long, Shenzhen does not have many high-temperature weather every year. The average number of days with daily maximum temperature ≥35℃ is only 2.4 days.
Autumn starts from late October to early January, with an average temperature of 17.7°C and an average rainfall of 81 mm. Autumn is the best season for travel and vacation, with sunny and clear weather. Due to low rainfall and high evaporation, autumn drought often occurs. Autumn is often affected by cold air, and cold wave weather occurs in a few years.
Winter generally starts from mid-January to early February, with an average temperature of 14.4°C and an average rainfall of 25 mm. Winter is the coldest season in Shenzhen, and most of the cold waves that affect Shenzhen occur during this period. Winter rains are scarce, and most years there are consecutive droughts in autumn and winter.
Shenzhen is rich in solar radiation. The annual solar radiation is 5225 megajoules/square meter, and the annual sunshine percentage reaches 47%. The average annual precipitation is 1925 mm, and 85% of the annual rainfall occurs from April to September (flood season). The annual average wind speed is 2.7 meters/second, and the annual dominant wind direction is southeasterly.