Climate and Travel Seasons in Chongqing

All year long Chongqing is foggy, and experiences a lot of rain, especially in summer and autumn. The annual average foggy days are 100-150. Hence, Chongqing is also called "foggy city".Therefore the best time to visit Chongqing is in spring and winter.

Chongqing is located in the subtropical climate zone. The climate belongs to the humid sub-tropical monsoon climate. The annual average temperature is around 18 degrees. The average lowest temperature in winter is from 6 to 8 degrees and the highest 38℃. In summer, extreme temperatures can reach to 43.8℃. The average temperature in summer is from 27 to 29 degrees. The annual hours of sunshine add up to 1,000 to 1,200 hours. It's warm in winter and it's hot in summer. Frost-free days are long. There is plenty of rain. The weather is humid and cloudy. It's rainy but hot at the same season. The annual average precipitation is about 1,000-1,400 millimeters. When spring and summer meet, it often rains at night. So it has the reputation of "Ba Mountains' Night Rain". Its feature of climate is just like some proverbs: the temperature is unstable in the early morning of spring; it's very hot and drought in summer; it's cool and rainy in autumn; it's warm and foggy with little snow in winter. Chongqing is known as one of the "three furnaces" of the Yangtze valley, the other two being Wuhan and Nanjing. Because Chongqing is surrounded by mountains, it's difficult to see the sun.