What is the name of the nearest city in Yunnan to Thailand? How's the weather?

Jinghong City, Xishuangbanna Dai Autonomous Prefecture, Yunnan Province is the closest to Thailand. Jinghong is located in the south of Yunnan, and governs 13 townships, 86 administrative villages and 440,000 people. It belongs to the humid monsoon climate in the north tropical and south subtropical zone, with long summer and no winter, clear dry and wet seasons and basically no frost. The annual average temperature is between 18.6℃ -2 1.9, and the precipitation is1200-1700mm.