Which is colder in winter in Zhengzhou or Luoyang? On average?

Here are the data:

The annual average temperature in Luoyang is 65438 04.7℃; The hottest month is July, with an average annual temperature of 27.2℃. The Leng Yue is 1 month, and the annual average temperature is 0.8℃. The monthly average temperature in annual range (the difference between the hottest monthly average temperature and the hottest Leng Yue average temperature) is 26.8℃; The annual average temperature is 15. 1℃ in spring, 26.3℃ in summer, 15.0℃ in autumn and 2.2℃ in winter. It is hot in Leng Xia in winter, warm in spring and cool in autumn.

The sunshine time in Zhengzhou is about 2400 hours. The annual average temperature in Zhengzhou is between 14.3 ~ 14.8℃, and in Zhengzhou city, it is 14.3℃, with a frost-free period of 220 days. July is the hottest, with an average monthly temperature of 27.3℃. January is the coldest, and the monthly average temperature is -0.2℃.