In March, the average temperature in Yunnan during the day was 17℃, and the average temperature at night was 5℃. In March, Yunnan is in the spring season. The average temperature during the day is between 20 and 22 degrees Celsius, and the lowest temperature at night is around 9 degrees Celsius, which is suitable for travel and play.
Kunming, Yunnan is warm as spring in four seasons, and the temperature difference is small throughout the year. The annual average temperature in the urban area is about 15℃, the monthly average temperature is about 25℃ in the hottest time and about 3℃ in the coldest time. The highest extreme temperature in history last year was 30 degrees. 4℃, minimum -7℃. 8℃。
Because the temperature and humidity are suitable, the sunshine is long and the frost period is short, the flowers do not wither all year round, and the vegetation is evergreen all year round, from which comes the reputation of Kunming as a spring city. Kunming, Yunnan has a large daily temperature difference and high ultraviolet intensity. There are four seasons in a day, and when it rains, it becomes winter. The daily temperature difference between winter and spring can reach 12~20℃.
topography
The terrain of the whole province is high in the northwest and low in the southeast, and it drops step by step from north to south. From north to south, the average elevation drops by 6 meters per kilometer. The northern part is the southern extension of the Qinghai-Tibet Plateau, with an altitude of about 3,000-4,000 meters. There are huge mountain systems such as Gaoligong Mountain, Nushan Mountain and Yunling Mountain, and the Nujiang River, Lancang River and Jinsha River are staggered from north to south. The three rivers flow in parallel, with staggered valleys and steep terrain.
In the northwest is the Hengduan Mountains, which are below 3000 meters above sea level, mainly including Ailao Mountain, Wuliang Mountain and Bangma Mountain. The terrain gradually drops to the south and southwest, and the valley gradually widens; On the southern and southwestern borders, the terrain is gradually gentle, the mountains are short, and there are many wide valley basins. The altitude is about 800 ~ 1000 meters, and it drops below 500 meters in some areas, mainly distributed in tropical and subtropical areas.