How to use the changeable climate or weather correctly?

"Weather" refers to the comprehensive situation that affects the instantaneous meteorological characteristics of human activities. For example, we can say: "Today the weather is fine, sunny and sunny, with clear skies in Wan Li;" Yesterday, the weather was terrible, there was a storm, and so on; "Climate" refers to the multi-year characteristics of meteorological conditions of the whole earth or a certain region in a year or a period. For example, Kunming has four seasons like spring; Most areas of the Yangtze River basin are mild in spring and autumn, hot in midsummer and cold in winter, so we call it "temperate climate with four distinct seasons". The rainy season in Beijing is from the end of July to the beginning of August every year.