Which cities in the south didn't return to Nantian in March?

In March, the southern cities of Guiyang and Kunming did not return to Nantian. The annual average temperature in Guiyang is 15.3 degrees Celsius, the extreme maximum temperature is 33.7 degrees Celsius, and the extreme minimum temperature is-4.8 degrees Celsius. The annual average relative humidity is 80%, the total precipitation is 1046 mm, the sunshine hours are 1 160 hours, and there is no intense heat, abundant rainfall and no return to the south. Kunming belongs to the southern city of China. The weather in Kunming is dry, there is no plum rain and there is no return from Nantian.