The prefecture enjoys a plateau monsoon climate at low altitude having distributions of six climatic types, ranging from the north subtropical zone to the middle temperate zone. It has clear dry and humid seasons. May to October is the rainy season gathering over eighty percent of wenshan's rainfall throughout the year. Most of the region has a favorable climate without winter chilliness and summer heat. Average temperatures in January and July are respectively 6.5-13.5C (43.7-56.3F) and 17-28.5C (62.6-83.3F).
The best time to visit Wenshan is from April to September, but it rains a lot. You dear should take the umbrella and coats.