Will it hail in winter?

No, hail is a weather phenomenon, which is most common in summer or at the turn of spring and summer. Hail seldom occurs in winter. Hail is hard spherical, conical or irregular solid precipitation. It is some ice particles as small as mung beans and soybeans and as big as chestnuts and eggs. The water on the local surface is evaporated by sunlight and then rises into the air. A lot of water vapor gathers and condenses into clouds. At this time, the relative humidity is 100%. When it meets cold air, it liquefies and condenses with dust in the air, forming raindrops (tropical rain) or ice crystals (mid-latitude rain), which are getting bigger and bigger. When the temperature dropped to a certain extent, the water vapor in the air was supersaturated, so it rained. If you encounter cold air without condensation nuclei, water vapor will condense into ice or snow, which is snow. If the temperature drops sharply, it will form a bigger ice mass, which is hail. Hail usually occurs when cold and warm air meet fiercely in February-May of Gregorian calendar, and it may also land in a strong and persistent thunderstorm in midsummer. Every year, all parts of China are hit by different degrees of hail. Especially in the mountainous and hilly areas in the north, the eastern part of the Qinghai-Tibet Plateau and the Yunnan-Guizhou area, the terrain is complex, the weather is changeable and there are many hail, which is very harmful to agriculture.