Abstract:

In the winter of 2022/2023, the national average temperature was -2.9℃, which was higher than the same period of the perennial value (1991-2020). The average precipitation in winter was 31.3mm, 20.4% less than that in the same period. The national average sunshine was close to perennial value, and the eastern part of Southwest China was more than the same period. Most regions of the winter wheat areas in the north have abundant light and heat conditions, within many large range of rain and snow weather, most of the moisture is suitable to wheat safe winter and turn green. Most regions of the southern is enough warm and sunshine hours for the growth and development of rape, wheat, winter crops and economic forest fruits. However, the phase of drought in Guizhou, southern of Sichuan and Yunnan and the phase of low temperature in regions south of the Yangtze River were not good to the steady growth of summer crops.

Key words: Winter climate, Meteorological conditions, Agricultural production