Yuyao lies in a
subtropical monsoon zone, rich in sunshine and rain fall, warm and humid, distinct in the four seasons. The mean annual sunshine is 2,061 hours and the annual rate of sunshine is 47%. The mean annual temperature is 16 degrees Celsius, and the coldest months perennially are January and February, the hottest are July and August. The mean annual precipitation is around 1,300 millimeters and changes greatly from year to year. The hyetal distribution is also uneven during a year, and the rainfall centers on
East Asian rainy season (梅雨) (aka bai-u rainy period) from April to June and
typhoon period from July to December. Yuyao offers a wide variety of landscape from wide open ocean in
Hangzhou Bay, rice fields in fertile plains to high spires in
Siming Mountains.
Yaojiang River originates in
Siming Mountains in the south where the Ninth
Fantasy world of
Taoism is located.
Yaojiang River goes through the county and extends eastward into
East China Sea as well as
Pacific Ocean. In 2021,
Typhoon In-fa caused 951.0 mm of rainfall to fall in Yuyao. ==History==