The climate of the silk road contains climate of the major cities along silk road, such as Xi'an, Dunhuang, Turpan and Urumqi.
Xi'an has a continental monsoon climate with four distinct seasons; Xi'an is hot and wet in summer while dry and seldom snowy in winter, and is prone to extended spells of rain in spring and autumn.
The rainy season of Xi'an is from July to September, though there is significant rain from April through to October, with light, scattered showers. The weather in Xi'an is generally pleasant all year round, but spring and autumn are the best seasons to visit.
Dunhuang, located in Gansu Province, has the distinct features of a semi-arid climate. It has no shortage of direct sun-shine and there is very little rainfall; the annual average rainfall here is only 39.9 mm. The annual average temperature is about 9.3 degrees C. The region has four distinct seasons with a huge variation in temperatures between summer and winter. Heading to Dunhuang, you should know Climate of the Silk Road.
Turpan, located in the Turpan Basin in Xinjiang, has a hot and arid continental climate in which the precipitation is far less than the potential evaporation. Knowing Climate of the Silk Road is benificial to organize the tour.
July is the hottest month with an average high temperature of 39.7°C (103.5°F) and a maximum as high as 48 C. January is coolest with an average low temperature of -2.2°C (28°F). Monthly rainfall is highest in June (3.3 mm) and lowest in February (0.2 mm). Generally speaking, the area receives little rain during summer but regional heavy rain sometimes causes flooding.
Urumqi has a semi-arid continental climate. The temperature in Urumqi varies greatly between day and night. The average annual temperature is 6.4°Celsius. Winter is cold and temperature averages -15.2°Celsius. Extreme temperatures have ranged from −41.5 °C (−43 °F) to 42.1 °C (108 °F). Its annual precipitation is about 290 millimetres (11.4 in).
Although inhospitable in winter with bone-chilling weather, Urumqi's climate is pleasant in autumn with warm days and cool evenings. The best time to travel in Urumqi is from May to October when flowers are in full bloom and the air is fragrant with ripening fruits.
Here is a classic silk road itinerary for your reference.
Shanghai, Xian, Dunhuang, Turpan, Urumqi, Beijing
Xian, Lanzhou, Jiayuguan, Dunhuang, Turpan, Urumqi
Urumqi, Turpan, Korla, Minfeng, Hotan, Kashgar