Causes of humid climate in Guizhou

Guizhou has a warm and humid climate, which belongs to subtropical humid monsoon climate. The temperature doesn't change much, it is warm in winter and cool in summer, and the climate is pleasant. In 2002, the average annual temperature in Guiyang, the provincial capital, was 65438 04.8℃, 0.3℃ higher than the previous year. From the perspective of the whole province, the average temperature in Leng Yue (65438+ 10) is usually 3℃ ~ 6℃, which is higher than other areas in the same latitude. The average temperature in the hottest month (July) is generally 22℃ ~ 25℃, which is a typical cool area in summer. There is more precipitation, obvious rainy season, more cloudy days and less sunshine.

In 2002, Xingyi City had the most precipitation, which was1480 mm, among the nine cities. The least is Bijie City, which is 687.9mm ... The precipitation affected by monsoon is mostly concentrated in summer. The number of cloudy days in all parts of China generally exceeds 150 days, and the relative humidity is above 70% all the year round.

Affected by atmospheric circulation and topography, Guizhou has a diverse climate. "One mountain is divided into four seasons, and ten miles are different." In addition, the climate is unstable, there are many kinds of disastrous weather, and drought, autumn wind, freezing and hail occur frequently, which is very harmful to agricultural production.