What's the weather like in Shenzhen at present? What clothes should I wear?

According to the weather forecast, February 4 16 degrees to 2 1 degree. Generally speaking, it will be very hot around noon in Shenzhen. It depends on how old you are. First: Young people can wear long-sleeved T-shirts, but they can wear short sleeves inside. You can take off your long sleeves outside when it is hot. Second: Middle-aged people can wear a casual coat outside and a long-sleeved shirt inside. Third: the elderly can add a velvet vest to it.