Traditional Culture Encyclopedia - Weather forecast - What is the coldest time when frost and snow bloom?

What is the coldest time when frost and snow bloom?

In frosty and snowy weather, the weather will get cold. For example, frost and snow are coldest when they bloom, which is a proverb. For example, frost refers to frosty and snowy weather, snowflake refers to snowy weather, and coldest means that this weather is particularly cold. In frosty weather, the weather will become extremely cold.