Why is Guiyang cool in summer, with weak ultraviolet rays and fresh air?

Guiyang is cool in summer, with weak ultraviolet rays and fresh air. Reason: Guiyang is located in the plateau area with low latitude and high altitude, which belongs to the subtropical humid and mild climate and is very cool in summer.

As the capital of Guizhou, Guiyang is called "Summer Capital" for two reasons. First, Guiyang is located in the plateau area with low latitude and high altitude. Except at noon, ultraviolet rays are weak in most time periods. In summer, the average temperature in Guiyang is only 23.2℃, and the body feels very cool.

Finally, Guiyang belongs to a subtropical humid and mild climate, with an average annual total precipitation of more than 1 100mm, abundant rain in summer, high forest coverage and many negative oxygen ions, which is beneficial to alleviate high temperature weather.

Climatic characteristics

Guiyang is about 1 100 meters above sea level, and is located in the Feider circulation circle. Controlled by the westerly belt all the year round, it belongs to the subtropical humid and mild climate. The annual average temperature 15.3℃, the annual extreme maximum temperature 35. 1℃ and the annual extreme minimum temperature -7.3℃.

The annual average relative humidity is 77%, the annual average total precipitation is 1 129.5mm, the annual average lightning days are 49. 1 day, the annual average cloudy days are 235. 1 day, and the annual average sunshine hours are1148.

There is no scorching summer in Guiyang, with an average summer temperature of 23.2℃ and an average maximum temperature of 25-28℃. In the hottest late July, the average temperature was only 23.7℃, and the days when the highest temperature was higher than 30℃ were few, with an average of only 35.8 days in recent five years and only 0.3 days higher than 35℃.

The intensity of ultraviolet rays only reaches level 4 in a short time at noon, and the rest time is very weak or weak; Summer rainfall is abundant, about 500 mm, and nighttime precipitation accounts for 70% of the annual precipitation. There is no severe cold in winter in Guiyang, the coldest is 1 the beginning of the month, with an average temperature of 4.6℃.