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Sichuan Travel Seasons

Sichuan Travel Seasons

Sichuan is located in the subtropical area. It is influenced by complicated topography and distinctive monsoon circulations with a unique climate. Its eastern region has a mild subtropical climate and western plateau climate. 3000-4000 meters above sea level is in the cold temperate zone, 4000-5000 meters the sub-polar zone and over 5000 meters there is permanent ice and snow zone. The mountainous areas in southwestern Sichuan has a vertical climate zone climate, featuring south subtropical zone climate, mid subtropical climate zone climate, north subtropical zone climate, warm temperate zone climate, temperate zone climate and plateau climate from the south to the north.

Located in the monsoon climate zone, Sichuan has a dry climate in winter with a small amount of precipitation under the influence of dry and cold air mass. In summer when it’s influenced by humid air mass, it welcomes a great deal of rainfall. Its eastern basin welcomes its rainy season from April to October, its western basin from May to September and the areas of Panzhihua and Xichang from May to October. Most of the areas in Sichuan welcome an annual precipitation of as much as 1000 millimeters. The precipitation in Sichuan varies in different areas. Generally, the amount of precipitation decreases from east to west, from the basin to the plateau and from the east to the middle of the basin. It rains a great deal in the three following areas: the middle of the Sichuan Basin, western Sichuan Basin and the middle and north part of the areas of Panzhihua and Xichang.

The annual average temperature in the eastern basin areas is around 14-19℃, 1℃ higher than that of the same latitude. The average temperature in January is 3-8℃ and it’s higher in the rim areas of the basin. The average temperature in April is 15-19℃ and July is the hottest month with an average temperature of 25-29℃. The average temperature in October is 15-19℃, close to the annual one. It has obvious seasonal changes that are as followed: spring lasts about 3 months with a temperature of 10-21.9℃; summer lasts more than 3 months with a temperature higher than 22℃; autumn lasts about 2.5 months with a temperature of 20-21.9℃; and winter lasts more than 3.5 months with a temperature lower than 10℃.