What is the approximate temperature in Shanghai in April?

According to the recent weather forecast and the usual temperature, it should be rainy around 12-20 degrees in the middle of the year. If traveling, bring some waterproof jackets, a sweater and a long-sleeved T-shirt

Finland Summer temperature: 13℃ to 17℃ in summer/ziliao/2002-06/18/content_446121.htm