Which climate zone does Ningbo belong to?

Ningbo is located in Ningbo Plain, with moderate latitude, subtropical monsoon climate, mild and humid, and four distinct seasons. The annual average temperature in Ningbo is 16.4℃, the highest in July is 28.0℃, and the lowest in 1 month is 4.7℃. The frost-free period in Ningbo is generally 230 to 240 days. The annual average precipitation is about 1480 mm, accounting for 60% of the annual precipitation from May to September. The average sunshine hours for many years are 1850 hours.