What is the sunshine coefficient in Kunming?

There are many sunny days throughout the year, with annual sunshine hours of 2445.6 hours and sunshine rate of 56%.

There are many sunny days in Kunming all year round, with an annual sunshine hours of 2445.6 hours and sunshine rate of 56%.

The annual projection angle of the sun is large, and the annual average total radiation is 129.78 kcal/cm2, of which 62.78 kcal/cm2 in rainy season and 67 kcal/cm2 in dry season, with little change in two seasons. Therefore, the poet Yang Shengan praised Kunming for "the weather is often like February and March, and flowers are always in spring".

Kunming is located in the low latitude plateau, with complex and diverse landforms, great topographic differences and obvious vertical and horizontal climate differences. In the mountainous area, there are scenes of "flowers bloom under the mountain and snow falls on the mountain" and "Yongshan is divided into four seasons, and ten miles are different from the sky".

According to the statistics of meteorological data since the founding of the People's Republic of China, the annual average temperature in Kunming is 14.5℃, the average temperature in the hottest month (July) is 19.7℃, and the average temperature in Leng Yue (65438+1October) is 7.5℃, and the annual temperature difference is12 ~/kloc. The annual precipitation is about 103l mm, and the relative humidity is 74%, with little humidity. In recent years, the frost-free period has been more than 240 days. There are many sunny days throughout the year, with annual sunshine hours of 2445.6 hours and sunshine rate of 56%.