Geographical environment of Nan 'ao County

Nan 'ao County is located at the eastern end of Guangdong Province, and the Tropic of Cancer runs through the main island, which belongs to subtropical monsoon climate, with obvious maritime climate and prevailing northeast wind. Influenced by the narrow tube effect in the Taiwan Province Strait, it is known as the "wind island" and is rich in wind resources. The annual temperature is mild, the sunshine is sufficient, the rainfall is less than that in South China, the heat is sufficient, and frost is rare. Meteorological disasters have frequent impacts, mainly including typhoon, strong wind, drought, cold dew wind, low temperature and rainy weather.

According to the meteorological data of Nan 'ao County Meteorological Station (1971~ 2000) for 30 years, the average temperature is 2 1.6 degrees Celsius, the highest month is 27.5 degrees Celsius in July and August, and the lowest month is 65438+ 10/0. The average rainfall is 1448.2mm, and the rainy season begins in late March and ends in1early October 10. The annual average sunshine hours are 2 135.7 hours, the average fog 1 1.4 days, and the windy days on the island are 73.5 days. Southwest winds prevail from May to August, and northeast winds prevail from September to April of the following year. July ~ 65438+ 10 is the peak of tropical storms, with an average of about 5 ~ 6 storms affecting South Australia every year.