During the Qingming Festival, the temperature in most parts of the country is higher than normal, and the cold air force is weak. "Late spring cold" refers to a weather and climate phenomenon in which temperatures rise quickly in early spring and are lower than normal in late spring.

This summer may enter a La Niña state due to the weakening influence of the ocean that may turn into a state of El Niño in the later period. The forest and grassland fire danger meteorological levels in the north and Guangxi, Sichuan, Guizhou, Yunnan are high.