冬天的气候属于所有气象现象中的一种，是一定时期内大气层的现象。
the weather in winter is a set of all the phenomena in a given atmosphere at a given time. it also includes interactions with the hydrosphere.它同样包括水圈的相互作用。 the term usually refers to the activity of these phenomena over short periods （hours or days）， as opposed to the term climate, which refers to the average atmospheric conditions over longer periods of time. when used without qualification, weather" is understood to be the weather of earth. 如果没有限定的条件，人们对于气候的理解就是地球的天气。
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