What's the climate like in Kunming, Yunnan?

Kunming has a monsoon climate in low latitude plateau and mountainous areas. Due to the low latitude and high altitude, the northern part is blocked by mountains such as Mount Wumeng, and the southern part is affected by the warm and humid air flow of the Bay of Bengal ocean monsoon. In addition, Dianchi Lake and Yangzonghai adjust the temperature and humidity, forming a unique and pleasant climate, with no heat in summer, no cold in winter and four seasons like spring. The annual temperature difference is small. The annual average temperature in urban areas is about 15℃, the average temperature in the hottest month is 19.7℃, and the average temperature in Leng Yue is 7.5℃. The average annual sunshine hours are 2400 hours, and the frost-free period is about 230 days. Kunming is abundant in rainfall, with an average annual rainfall of about 1000mm, and 85% of the rainfall is concentrated from May to 10. Due to the suitable temperature and humidity, long sunshine time, short frost period, good visibility, perennial flowers in full bloom, evergreen vegetation, has the reputation of "Spring City".

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%. 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".