Guangdong winter climate in 1956

Guangdong Province belongs to the East Asian monsoon region, with central subtropical, south subtropical and tropical climates from north to south. It is one of the regions richest in light, heat and water resources in China. From north to south, the average annual sunshine hours increase from less than 1,500 hours to more than 2,300 hours, the total annual solar radiation is between 4,200 and 5,400 megajoules/square meter, and the annual average temperature is about 19℃~24℃. The average sunshine hours in the province are 1745.8 hours, and the average annual temperature is 22.3℃. The average temperature in January is about 16℃~19℃, and the average temperature in July is about 28℃~29℃. [16]

Guangdong has abundant precipitation, with the average annual precipitation ranging from 1,300 to 2,500 millimeters, and the province’s average is 1,777 millimeters. The spatial distribution of rainfall basically shows a trend of higher in the south and lower in the north. Affected by the topography, there are three rainy centers in Enping, Haifeng and Qingyuan on the windward slopes of mountains that are conducive to the rise of water vapor and precipitation, with average annual precipitation greater than 2200 mm; on the leeward slopes of Luoding Basin, Xingmei Basin and The average annual precipitation in the coastal Leizhou Peninsula and Chaoshan Plain drier areas is less than 1,400 mm. Precipitation is unevenly distributed within the year. The flood season precipitation from April to September accounts for more than 80% of the whole year. The inter-annual variation is also large, and the precipitation in rainy years is more than twice that of low rain years. [16]

Floods and droughts occur frequently, and typhoons are also more frequent. Low temperatures and rain in spring, cold dew winds in autumn, and cold waves and frosts from late autumn to early spring are also frequent disastrous weather conditions in Guangdong.