The weather in Xishuangbanna

The annual average temperature in Xishuangbanna is between 18 ~ 22℃, and the isotherm of the annual average temperature of 20℃ is equivalent to 850m contour.

The Leng Yue average temperature in Xishuangbanna is 8.8 ~ 15.6℃, and the active accumulated temperature ≥ 10℃ is 5 062 ~ 8 000℃. The 20 13-year active accumulated temperature in the area below 8 00 meters above sea level is above 7 500℃, with long summer and no winter, and short cycle.

The annual sunshine hours in Xishuangbanna are 65,438+0,800 ~ 2,65,438+0,000 hours, and the seasonal distribution is relatively uniform. The temperature in annual range is not high, but the daily temperature difference is large. For example, the temperature difference between the hottest month and the hottest month in Leng Yue is only 9.9℃, and the maximum daily temperature difference can reach 27.3℃, which is far from most parts of China.

From the vertical distribution of Xishuangbanna landform, the climate below 800 meters is hot (tropical), 800 ~1500m is warm (southern subtropical), and1500m is warm (middle subtropical).

Topographic features of Xishuangbanna;

Most of the landforms in Xishuangbanna are hilly areas with an altitude of 800 ~ 1300m, accounting for 65.3% of the total area of Xishuangbanna, which constitutes the main body of the landform pattern in Xishuangbanna. Followed by the hilly area with an altitude of 500 ~ 800 meters, accounting for 19.4% of Xishuangbanna. The Zhongshan area with a distance of 1300 ~ 2500m accounts for 10.6%.

Intermountain basins and valleys account for only 4.7% of Xishuangbanna. There are 49 basins in Xishuangbanna, with an area of 1 km2, of which Mengzhe-Menghun basin is the largest, with an area of 229 km2, and the rest are all below100km2, of which 19 basins have an area of 684.2km2..