Suizhou adopts its name from the most ancient vassal state of Sui in the Western Zhou Dynasty (11th century BC-221BC.) Meandering hills make up the main part of the city's territory with some interleaving mountain lands and alluvial plains. The Dahong Mountain is in the south and Tongbai Mountain is in the north of the city, and a long and narrow plain lies northwest southeast in the center. Climatic Features:Suizhou features a subtropical monsoon climate, having four discernable seasons, rich sunshine and abundant rainfall. The chilly and torrid periods in midwinter and midsummer are relatively short. Its annual average temperature falls around 15.5C (59.9F). When to Go: spring and autumn Suizhou is the birthplace of the legendary Yandi (Shennong), who is one of the forefathers of Chinese Nation along with Huangdi, and he is also the founder of Chinese agriculture.