How much rainfall does Guizhou receive in an average year?

In an average year, Guizhou receives a fairly uniform and plentiful amount of rainfall, with an annual average ranging from 35 to 60 inches (900 to 1,500 mm). This precipitation total decreases toward the northern and western parts of the province.1

The rainfall distribution is seasonal, with nearly half of the annual total occurring during the summer months due to the influence of moist maritime air masses. Approximately one-fourth of the annual rainfall occurs in the spring, while the remainder falls during the autumn.1