Traditional Culture Encyclopedia - Weather inquiry - Why do you say, "It's rare for Qingming to be sunny, but it's rare for Grain Rain to have rain"?

Why do you say, "It's rare for Qingming to be sunny, but it's rare for Grain Rain to have rain"?

"Qingming is rare and sunny, and Grain Rain is rare and rainy." In other words, if the Qingming weather is sunny, it indicates that this year is a good year. So is Grain Rain.

It was a sunny day in Tomb-Sweeping Day the other day. Today is Grain Rain, and it has been raining for a long time in Xiaotian. Everyone is talking happily that this year will be a good year.