The weather in Baoan is not allowed.

Your conclusion (it often rains heavily in Baoan District, but it rains less in Nanshan and Futian District) is not completely accurate. Your analysis left out the most basic element-the influence of topography.

The rainfall in Shenzhen is different in different seasons, different weather systems and different rainfall methods, and the factors affecting rainfall are different, and the location of heavy rainfall is also different.

When the southeast wind blows in summer, the rainfall in Shenzhen is mainly convective rain. Due to the influence of topography, there will be less rainfall in the rain shadow areas of Luohu and Futian in Kowloon Mountain, Hong Kong, and the rainfall in Yantian District is the most obvious in the windward area. This phenomenon is particularly prominent in the rainy weather formed by the typhoon passing through the south of Shenzhen.

In summer, the rainfall brought by low pressure trough mainly moves from west to east, and Baoan District is at the forefront, so the rainfall will be more obvious. Futian District is protected by Tanglang Mountain, and the rainfall will be slightly less. If the rain area enters Shenzhen from the southwest, the biggest rain area will be in Nanshan District, and the rain shadow area where Futian and Luohu in Kowloon Mountain in Hong Kong are located will have less rainfall.

In winter, the movement of rainfall area mainly moves from northeast to southwest. The influence of Tanglang Mountain makes the rainfall in Futian District slightly less.

The above analysis is very preliminary. The most accurate analysis is based on the actual weather process.