the temperature goes up gradually, reaching over 22 °C in the second ten days of April. In mid-July, the temperature reaches 27.6 °C (81.68 °F). It gradually decreases from mid-September and drops below 22 °C in early November. In general, the highest temperature is 32–34 °C (90–93 °F) and the lowest is 4–6 °C (40–43 °F). Administrative divisions Nan'ao County administers three towns: , , and . These three towns are then divided into 5 residential communities and 41 administrative villages. Demographics As of 2019, Nan'ao County had a permanent population of 62,600, who were mostly Han Chinese. The island is home to the Nan'ao dialect (), which is part of the broader Teochew dialect. The dialect differs by town, with those in speaking similarly to the region of mainland region of , whereas those in and speak more like dialects heard in Zhangzhou, Quanzhou, and Xiamen. Owing to the close geographic proximity to Taiwan, as well as close linguistic and cultural connections, the county government estimates that over 100,000 people hailing from Nan'ao County live in Taiwan. Economy In 2019, Nan'ao County's gross domestic product reached ¥2.933 billion, its total retail sales of consumer goods was ¥2.854 billion, and the total output value of agriculture, forestry, animal husbandry and fishery was ¥2.34 billion. As of 2018, the total import and export volume was 99.04 million RMB (14,806,579 USD), an increase of 22.8% over 2017. The revenue of public finance budget is 262 million RMB (39,169,262 USD), an increase of 13.2% over the previous year, of which the tax revenue is 188 million RMB (28,106,188 USD), an increase of 40.8% over 2017. The total investment in fixed assets is 2.030 billion RMB (299,450,503 USD), an increase of 13.4% over 2017. The GDP reached 2.466 billion RMB (368,669,466 USD), an increase of 5% over 2017. The total retail sales of consumer goods were 2.662 billion RMB (397,556,390 USD), an increase of 8.9% over 2017. The increase value of the tertiary industry is 930 million RMB(138,890,850 USD), an increase of 5.7% over 2017. The total agricultural output value was 2.19 billion yuan (327,065,550 USD), an increase of 4.2% over 2017. Since the opening of Nanao Bridge, the local economy has been booming, especially in tourism. According to official statistics, the total tourists reached 5.93 million in 2017, an increase of 10.5% compared with the same period last year, and the total tourism