What clothes are suitable for May Day weather in Henan?

Thin sweater with short sleeves or long sleeves. The weather temperature in Henan in May is between 16-26 degrees. The temperature is high during the day and the sun is very sunny, so it is necessary to wear short sleeves. The temperature is low at night, so it is more appropriate to wear a long-sleeved thin sweater. Henan Province, referred to as "Yu" for short, is a provincial administrative region of People's Republic of China (PRC), with Zhengzhou as its capital. It is a major agricultural producing area, an important province with mineral resources, a large population, an important comprehensive transportation hub, a center for people flow, logistics and information flow, a major agricultural province and a major grain conversion and processing province.