What is the coldest temperature in Hancheng in winter?

Hancheng city is located in the middle of Shaanxi Province, bordering Huanglong and Yichuan counties in Yan 'an area in the northwest, Hejin and Wanrong counties in Shanxi Province across the Yellow River in the east, and Heyang County in Weinan area in the south. Area: total area 162 1 km2. Population: over 360,000. It has a warm temperate semi-arid continental monsoon climate with four distinct seasons and abundant sunshine. The annual average temperature is above 13.5℃, the extreme maximum temperature is 42.6℃, the minimum temperature is-14.8℃, and the annual average rainfall is 559.7 mm. ..