What do you mean by mangzi?
At this time, the rainy season in South China is coming to an end and it turns into an afternoon thunderstorm. The weather will gradually turn to dry heat, reducing the growth rate and survival rate of crops unsuitable for summer sowing. The middle and lower reaches of the Yangtze River and southern Japan enter the rainy season at this time. On the day of the awning, the sun also shines directly on Macao.
Extended data:
It is the sowing season, and it is rainy along the Yangtze River, and the Huanghuai Plain has begun to enter the rainy season. If it encounters rainy weather, strong wind and hail before and after sowing, wheat can't be harvested in time, resulting in agricultural losses.
After the awning, the middle and lower reaches of the Yangtze River entered the rainy season, the sunshine hours decreased, the rainfall increased, and occasionally the temperature was low. As for South China, it has entered the season with the most precipitation in a year.
Southwest China also entered the rainy season around the tent season, and the phenomenon of hail in the western plateau of the region gradually increased. The hottest day in the northeast Nenjiang River Basin 197 1 ~ 2000 also occurred in the awning period, reaching 37. 1℃.
Baidu encyclopedia-mangzhong