Can I get my ears pierced in Fujian in January?

You can't. The air will be very cold in winter, and it is not easy to keep warm in the ears. If you get your ears pierced in winter, your ears are prone to frostbite, and dust and impurities in the air are more likely to infect the wound site. Ear piercing, that is, making a permanent hole for wearing earrings in a specific part of the earlobe.